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Rubidium and Cesium, The Hidden Value at Nevada North

Disseminated on behalf of Surge Battery Metals.

The lithium story at Nevada North is well understood. The project has scale, grade, and long-term production potential.

What is less discussed is the presence of other critical minerals within the same system. Recent drill results show that rubidium (Rb) and cesium (Cs) occur alongside lithium mineralization at the Nevada North Lithium Project (NNLP) of Surge Battery Metals (TSX-V: NILI | OTCQX: NILIF). These elements are not the primary focus of development today, but they may represent an additional strategic layer of value.

Both rubidium and cesium are classified as critical minerals in the United States. Yet, neither mineral is mined domestically, and supply is largely dependent on imports, mainly from China and Canada. At the same time, both elements are used in high-value applications such as atomic clocks, fiber optics, satellite systems, and advanced defense electronics.

A New Layer in the Drill Results

In early 2026, assay results from NNLP began to highlight the consistent presence of rubidium and cesium within the lithium-bearing zones.

From the February 17, 2026, news release, drill hole NNL-037 returned:

  • 4,196 ppm lithium
  • 325 ppm rubidium
  • 112 ppm cesium
NILI rubidium and cesium
Source: Surge Battery Metals

Follow-up results from the February 25, 2026, news release showed similar trends. Infill drilling returned values of up to:

  • 349 ppm rubidium
  • 163 ppm cesium

These results are important because they show that rubidium and cesium are directly associated with the lithium core, not isolated occurrences. This suggests a consistent geological relationship across the deposit.

At this stage, these findings remain exploration results. They have not been incorporated into the project’s Preliminary Economic Assessment, and their economic contribution is still being evaluated. However, their presence is clear and repeatable across multiple drill holes.

Rubidium and Cesium for Tech and Defense

Rubidium and cesium are not widely known compared to lithium, but they play critical roles in advanced technologies.

Cesium is used in atomic clocks, which are essential for GPS systems, telecommunications networks, and defense infrastructure. It is also used in specialty drilling fluids and electronics.

Rubidium is used in fiber optic systems, specialty glass, and emerging quantum technologies. Both elements are also relevant for aerospace and satellite applications.

Rubidium and cesium at NNLP

Despite their importance, the global supply is limited. There are a few large-scale producers, and production is often tied to other mining operations rather than dedicated projects. As a result, supply chains can be concentrated and less transparent than those for more widely traded commodities.

For the United States, this creates a dependency on imported material for applications that are increasingly tied to national security and advanced technology.

More Than Lithium: A Multi-Critical-Mineral Profile

The presence of rubidium and cesium at NNLP introduces a different way to view the project. It is not only a lithium resource, but potentially a multi-critical-mineral system. The project’s updated resource base includes 10.5 million tonnes LCE in Measured & Indicated categories, with additional high-grade mineralization identified at 3,820 ppm lithium. 

This does not change the core development strategy, which remains focused on lithium. However, it adds another dimension to how the asset may be evaluated over time.

Recent developments also point to growing confidence in the project’s advancement. On June 3, Surge Battery Metals announced a strategic financing of up to C$30 million, with an option to increase the amount to C$36 million.

The company said the funding is intended to help fast-track Nevada North toward a construction decision. The financing strengthens Surge’s ability to continue resource development, metallurgical work, and project studies while further evaluating the broader critical mineral potential of the deposit.

Graham Harris, Chairman of Surge, commented,

“This announcement marks a defining moment for Surge. With Nevada North fully funded, upon the successful closing, toward a construction decision, and with Brian and Michael leading our Strategic Advisory Board, we believe that we have the capital, the expertise, and the relationships to move this project at the pace the current environment demands. The United States is focused on developing a secure and sustainable domestic supply of critical minerals.[2] Once constructed, we plan to participate in the domestic supply of lithium through Nevada North.”

Some of the key points to consider include:

  • Rubidium and cesium are co-located with lithium mineralization, not in separate zones.
  • Both elements are classified as critical minerals with a limited U.S. supply.
  • Supply chains are currently import-dependent, with concentration in a few countries, but no data is available on specific percentages.
  • NNLP is a domestic resource located in Nevada.

These factors align with broader trends in resource development, where projects are increasingly assessed not only for their primary commodity but also for associated critical minerals.

Ongoing Evaluation Through Metallurgy: Can Rb & Cs Add Value?

At this stage, the key question is not whether rubidium and cesium are present, but how they behave during processing.

Surge Battery Metals is evaluating the deportment of these elements as part of its ongoing metallurgical work. This step is important. It will determine whether these minerals can be recovered, how they interact with lithium processing, and whether they could contribute to future project economics.

Moreover, it is too early to draw conclusions yet. No economic assumptions have been made for rubidium or cesium in the current project studies. However, identifying their presence at this stage allows for a more complete understanding of the resource.

Strategic Context: Beyond Batteries

The broader context is also evolving. Critical minerals are increasingly tied to national strategy, not just market demand.

Lithium remains central to EVs and energy storage. But rubidium and cesium connect the project to defense, communications, and advanced technology sectors. These are areas where supply security is becoming a priority.

In this sense, NNLP sits at the intersection of multiple strategic themes:

  • Energy transition, through lithium,
  • Technology infrastructure, through battery materials and electronics, and
  • National security, through the critical mineral supply. 

This combination is not common among lithium projects, particularly within Nevada clay deposits.

Standing Out in Nevada’s Lithium Landscape

Within the Nevada lithium landscape, most projects are evaluated on grade, scale, and processing pathways. NNLP meets those criteria. The additional presence of rubidium and cesium introduces a differentiated element that is not widely highlighted in comparable projects.

Importantly, this differentiation should be viewed with the right level of caution. These elements are still under study. Their economic value has not been defined, and their recovery is not yet established.

At the same time, their consistent presence in drilling results is a data point worth noting, especially in a market where supply chains for critical minerals are under increasing scrutiny.

The Next Chapter for Nevada North’s Mineral Story

As metallurgical work progresses, more information will become available on how rubidium and cesium behave within the NNLP system. This will help determine whether they remain a geological feature or evolve into a potential secondary value stream.

For now, the key takeaway is straightforward. Nevada North is not only a lithium project. It is also a broader critical mineral system, with exposure to materials that support advanced technology and defense applications.

The latest financing also highlights how Nevada North is moving beyond the exploration stage. With the project now supported by a major strategic funding package and an expanded advisory team, attention is increasingly shifting toward development readiness and long-term value creation.

While lithium remains the primary focus, the presence of additional critical minerals may provide further strategic relevance as the project advances. And in a market focused on securing supply chains, that distinction may become more relevant over time.


DISCLAIMER

New Era Publishing Inc. and/or CarbonCredits.com (“We” or “Us”) are not securities dealers or brokers, investment advisers, or financial advisers, and you should not rely on the information herein as investment advice. Surge Battery Metals Inc. (“Company”) made a one-time payment of $75,000 to provide marketing services for a term of three months. None of the owners, members, directors, or employees of New Era Publishing Inc. and/or CarbonCredits.com currently hold, or have any beneficial ownership in, any shares, stocks, or options of the companies mentioned.

This article is informational only and is solely for use by prospective investors in determining whether to seek additional information. It does not constitute an offer to sell or a solicitation of an offer to buy any securities. Examples that we provide of share price increases pertaining to a particular issuer from one referenced date to another represent arbitrarily chosen time periods and are no indication whatsoever of future stock prices for that issuer and are of no predictive value.

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It is our policy that information contained in this profile was provided by the company, extracted from SEDAR+ and SEC filings, company websites, and other publicly available sources. We believe the sources and information are accurate and reliable but we cannot guarantee them.

CAUTIONARY STATEMENT AND FORWARD-LOOKING INFORMATION

Certain statements contained in this news release may constitute “forward-looking information” within the meaning of applicable securities laws. Forward-looking information generally can be identified by words such as “anticipate,” “expect,” “estimate,” “forecast,” “plan,” and similar expressions suggesting future outcomes or events. Forward-looking information is based on current expectations of management; however, it is subject to known and unknown risks, uncertainties, and other factors that may cause actual results to differ materially from those anticipated.

These factors include, without limitation, statements relating to the Company’s exploration and development plans, the potential of its mineral projects, financing activities, regulatory approvals, market conditions, and future objectives. Forward-looking information involves numerous risks and uncertainties and actual results might differ materially from results suggested in any forward-looking information. These risks and uncertainties include, among other things, market volatility, the state of financial markets for the Company’s securities, fluctuations in commodity prices, operational challenges, and changes in business plans.

Forward-looking information is based on several key expectations and assumptions, including, without limitation, that the Company will continue with its stated business objectives and will be able to raise additional capital as required. Although management of the Company has attempted to identify important factors that could cause actual results to differ materially, there may be other factors that cause results not to be as anticipated, estimated, or intended.

There can be no assurance that such forward-looking information will prove to be accurate, as actual results and future events could differ materially. Accordingly, readers should not place undue reliance on forward-looking information. Additional information about risks and uncertainties is contained in the Company’s management’s discussion and analysis and annual information form for the year ended December 31, 2025, copies of which are available on SEDAR+ at www.sedarplus.ca.

The forward-looking information contained herein is expressly qualified in its entirety by this cautionary statement. Forward-looking information reflects management’s current beliefs and is based on information currently available to the Company. The forward-looking information is made as of the date of this news release, and the Company assumes no obligation to update or revise such information to reflect new events or circumstances except as may be required by applicable law.

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Disclosure: Owners, members, directors, and employees of carboncredits.com have/may have stock or option positions in any of the companies mentioned: None.

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Designing an Insetting Program: A Step-by-Step Playbook for Procurement

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Insetting program design starts with your supplier map. The carbon claim comes much later.

Consider a coffee procurement team that funds a farm intervention before checking its sourcing data. The supplier aggregates coffee lots from several regions. The buyer lacks farm-level traceability. Another purchaser expects to report the same outcome. A more attractive project brochure solves none of these problems.

If the distinction between a value-chain intervention and a purchased credit is still open, read CCC’s Insetting vs Offsetting guide before you set the brief.

Insetting program design begins with the purchasing relationship and works outward. You need to decide 1) where an intervention belongs, 2) what business problem it addresses, 3) who pays for it, 4) how results will be measured, and 5) what the evidence will let you say about them. This five-step playbook turns that sequence into a procurement plan.

Step 1: Insetting program design starts with supplier mapping

Start with the commodities that matter most to your Scope 3 inventory and sourcing continuity. Ask finance for spend by supplier, sustainability for the emissions baseline, and category managers for origin and volume records. Then identify which suppliers can trace material to a jurisdiction, sourcing region, producer group, or individual land-management unit.

The level of traceability affects what you can account for. Under the GHG Protocol Land Sector and Removals Standard, the spatial boundary for purchased land-based products depends on the traceability associated with each volume. Farm-specific factors or removals require physical traceability through an acceptable chain-of-custody model. A contract with a tier-one trader, by itself, does not establish a link to the farms behind its deliveries.[1]

Build a first-pass table with five columns: commodity and annual volume; supplier and origin; current traceability level; land-use and production risks; and the business owner who can change the purchasing terms. Mark missing data plainly. A blank cell is cheaper to fix before a program starts than after a claim is drafted.

If your company sets an SBTi Forest, Land and Agriculture target (FLAG), keep its land-related target boundary separate from energy and industry emissions. The current FLAG guidance also requires relevant companies to assess primary deforestation-linked commodities in their value chains.[2]

Step 2: Choose a commodity and jurisdiction for a pilot

Select one supply corridor where the sourcing connection can be established and procurement has a reason to stay. A useful pilot has repeat purchases, suppliers willing to share records, an intervention matched to a diagnosed problem, and a defined plan to measure the result. Carbon potential alone is a poor selection rule if the supplier cannot deliver the crop your business needs.

Compare candidate regions on land-use risk, supplier concentration, local rights and tenure, the availability of baseline data, and exposure to drought, erosion, or forest conversion. Check the relevant legal requirements separately. A nature project does not satisfy a due-diligence obligation merely because it has a carbon method attached.

Consider a coffee buyer sourcing from two districts. In the first, producer-group records identify the farms, while recent dry seasons have increased rejected green coffee lots. In the second, deliveries pass through several intermediaries and farm origins are unknown. Pilot shade management in the first district, with local agronomic advice and quality checks built into the plan. The buyer can trace purchases there and test the intervention against a defined sourcing problem.

Use a short decision memo to record why the selected corridor beats the alternatives, what remains uncertain, and what would stop the pilot. That memo is the first control against a project drifting toward whatever happens to photograph well.

Step 3: Design the supplier engagement and commercial model

The intervention needs an owner on each side of the contract. Decide who supplies planting material or training, who maintains the practice, who bears the cost if a harvest disappoints, and how long the buyer expects to purchase from participating suppliers. Where smallholders participate, budget cash flow and technical support for practices that offer a later return.

Put these terms in a supplier agreement or pilot addendum. It should cover eligible farms and volumes, consent to data collection, access for monitoring, any land or carbon rights that matter, benefit sharing, and what happens if the purchasing relationship ends. Ask local counsel and producer representatives to review the arrangement. The Accountability Framework is a useful reference for supply-chain work involving forests, ecosystems, and human rights.[3]

Avoid assigning an automatic carbon benefit to the buyer. The contract should say which party has the right to report each outcome, how overlapping claims will be checked, and how any issued credits will be handled. A reduction reported in a buyer’s inventory cannot simply be sold for someone else’s offset claim without an accounting review. SBTi FLAG guidance excludes purchased credits used as offsets from near-term FLAG target achievement.[2]

Set commercial measures beside environmental ones: delivered volume, rejection rate, supplier retention, and procurement cost. They tell you whether the program works as a supply-chain investment, even if carbon accounting takes longer to resolve.

Step 4: Build monitoring, reporting, and verification before rollout

Agree on the baseline and data flow before paying for a full rollout. Identify the land units or sourcing regions in scope, the practices that change, the records suppliers already keep, and the additional measurements the program requires. Decide which data can come from field visits, transaction records, or remote sensing, and who checks each source.

For carbon, separate three questions. Did the practice happen? Did emissions or removals change under an applicable method? Can the buyer attribute a defensible share to its purchased goods without double counting? The GHG Protocol’s 2026 guidance includes dedicated chapters on spatial boundaries, data and methods, evaluating actions, credited outcomes, and assurance.[1] These are distinct jobs. A photograph of a planted tree answers only part of the first.

CCC’s MRV and Additionality article explains the separate evidence questions a project reviewer will ask.

Create an evidence file for every reporting period: dated supplier and farm records, purchase volumes, methods and emission factors, uncertainty, quality checks, and changes from the baseline. Specify who can challenge the data and how corrections are recorded. If a project also seeks credit certification, keep project accounting and corporate inventory accounting separate. The GHG Protocol says its land standard focuses on entity-level inventories and does not set the rules for credit certification.[4]

Start with the minimum viable measurement design that can survive review. Add complexity when the pilot tells you which data actually changes a decision.

Step 5: Decide what can be reported and claimed

Insetting program design needs reporting rules before the marketing copy. Procurement, sustainability, finance, and legal should agree on four distinct outputs: operational performance; observed land or nature outcomes; inventory effects, if the accounting criteria are met; and any separately issued credits. One dashboard can display them, but they should not share a single unqualified headline.

SBTi FLAG guidance allows certain land-based removals within a company’s operations or supply chain to contribute to FLAG pathways, subject to criteria including permanence, traceability, data quality, and allocation. It does not allow purchased offsets to meet near-term FLAG targets.[2] Eligibility therefore depends on evidence and the applicable target rules, not on calling an activity “insetting.”

Draft a claims register. For each proposed sentence, record the period, boundary, data owner, calculation method, reviewer, and whether the result is measured, estimated, or still a goal. If the evidence supports only “we funded a pilot with 200 farms,” say that. Do not turn a funding fact into a verified emissions reduction.

What good looks like by year three

Treat year three as a review point, not a promised payback date. A mature pilot should have mapped participating supply volumes, a stable supplier agreement, a repeatable data collection process, and a comparison of commercial and environmental results against the baseline. It should also have a documented answer for outcomes that cannot be included in the buyer’s inventory.

Scale only where the pilot improves a sourcing decision and the evidence can follow the product. If neither condition holds, redesign the intervention or change the corridor. A disciplined program can conclude that a site is unsuitable. That is useful procurement intelligence.

Discuss your insetting program with CCC

Carbon Credit Capital designs nature-based supply chain investments around sourcing needs and measurable sustainability outcomes. Schedule a consultation with our carbon and sustainability experts to map your tier-one supplier network, FLAG exposure, and first pilot decision.

Sources

[1] GHG Protocol, Land Sector and Removals Standard, version 1.1, and companion Guidance, June 2026: https://ghgprotocol.org/land-sector-and-removals-standard ; https://ghgprotocol.org/land-sector-and-removals-guidance

[2] Science Based Targets initiative, Forest, Land and Agriculture Science-Based Target-Setting Guidance, version 1.2, March 2026, especially pp. 16–17, 37, and 41: https://sciencebasedtargets.org/resources/files/SBTiFLAGGuidance.pdf

[3] Accountability Framework initiative, Accountability Framework and guidance for companies: https://accountability-framework.org/

[4] GHG Protocol, Frequently Asked Questions: Land Sector and Removals Standard, questions 10 and 18: https://ghgprotocol.org/blog/frequently-asked-questions-land-sector-and-removals-lsr-standard

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Carbon Footprint

The Strategic Case for Nature-Based Carbon Investments

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Nature-based carbon investments deserve consideration when they address a specific business dependency and produce outcomes you can measure. Imagine Moonbucks, a global coffee roaster planning next season’s espresso blend. It is considering natural Grade 4 coffee from Jimma, in southwestern Oromia, Ethiopia. Its sourcing decisions affect the roasting schedule and the cash tied up in coffee purchases. Moonbucks needs to understand which measures could protect that supply, what they would cost and how it would judge the results.

1. Define the sourcing problem before choosing a project

Moonbucks needs a dependable component for its espresso blend. Its procurement team wants continuity of volume and an agreed cup profile. Replacing a shipment at short notice could require new sample approval and changes to the blend, and given the schedules for cultivation, processing, and freight delivery, is practically impossible. Moonbucks needs to get this right, and its initial concern is inconsistent deliveries. It commissions an assessment of the supplying farms and post-harvest chain. The questions cover land condition, harvest availability and whether drying or storage problems are affecting saleable lots.

This distinction changes the investment brief. A tree-planting proposal cannot be assumed to fix drying problems. Better storage cannot restore eroded land. The team must establish which problem exists before selecting the response.

CCC’s guide to finding nature-based solutions in your supply chain explains where to look. Here, the next task is to turn a broad concern into a testable proposal.

2. Develop nature-based carbon investments around the actual supply chain

The assessment would trace Moonbucks’ purchases back through the exporter and supplying producer groups. Which farms supply the contracted lots? Who controls land-management decisions? How long does the buyer expect to maintain the purchasing relationship?

Furthermore, Jimma natural Grade 4 cannot be treated as interchangeable with every Ethiopian coffee. Moonbucks would need to test any substitute against its own blend and quality requirements.

Suppose Moonbucks’ assessment identifies an opportunity to maintain shade trees and restore vegetation along exposed streambanks. The IPCC describes agroforestry as a way to store carbon in vegetation and soil, with potential benefits for erosion control and water quality.1 Moonbucks would need local advice on species, growing conditions and maintenance before deciding how these measures fit its sourcing plan.

The proposal now has a defined sourcing connection and a candidate intervention. The next steps are to test its effect on production, assess carbon eligibility and build the financial case.

3. Compare the proposal with other ways to protect supply

WBCSD’s Nature-based Solutions Blueprint recommends comparing nature-based options with other responses across their benefits and costs.2 For Moonbucks, that means evaluating the landscape proposal alongside drying improvements, storage controls and alternative sourcing arrangements.

The product’s natural-process designation matters. Moonbucks should examine the drying and dry-milling chain alongside land conditions. Its team would check storage practices, contamination risks and incoming-lot quality to see whether problems arise before or after the coffee leaves the farms.

The revised proposal might combine land stewardship with separate post-harvest controls. Each component needs its own purpose and budget. A sustainability label should not obscure which activity is expected to solve which problem.

The project develops as the evidence improves. Its scope should follow the diagnosis rather than preserve the first idea unchanged.

4. Establish what the carbon outcome could count toward

Moonbucks’ sustainability team now tests the proposed carbon case separately from the sourcing case. Is the objective a measurable change in Moonbucks’ value-chain emissions, verified credits for separate voluntary use, or distinct outcomes under carefully defined arrangements?

Scope 3 covers value-chain emissions. A purchasing relationship alone does not prove that a farm intervention can be included in Moonbucks’ inventory. The team needs an applicable accounting method, defensible boundaries and evidence supporting attribution.

SBTi’s FLAG Guidance (forest, land and agriculture), version 1.2, says purchased credits used as offsets cannot meet near-term FLAG or energy and industry targets. Eligible land-based removals are subject to accounting requirements.3 Moonbucks needs to test its proposal against those rules before including an outcome in its targets.

For Moonbucks’ Jimma proposal, maintaining existing trees and establishing new vegetation could involve different carbon questions. Specialists must examine the baseline and additionality, meaning what changes because the project proceeds. They must also assess measurement and the risk that stored carbon is lost. CCC’s MRV and additionality article introduces those tests.

Until that work is complete, Moonbucks should not budget an assumed Scope 3 reduction or credit-sale receipt. Direct emissions reductions remain the priority.

5. Build a financial case that survives weaker assumptions

Moonbucks’ finance team would now build a multi-year budget. UNEP’s State of Finance for Nature 2023 compares current finance with the investment needed to meet climate, biodiversity and land-restoration goals.4 The company would cost its proposed activities, farmer participation and ongoing monitoring. Verification, where required, is a