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    <element id="COBA_OptionsIssuedJuly012023Member" name="OptionsIssuedJuly012023Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionsIssuedJuly072023Member" name="OptionsIssuedJuly072023Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionsIssuedJan252024Member" name="OptionsIssuedJan252024Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionsIssuedFeb132024Member" name="OptionsIssuedFeb132024Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionsIssuedJan172025Member" name="OptionsIssuedJan172025Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionsIssuedJuly292025Member" name="OptionsIssuedJuly292025Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_ChileanCobaltMember" name="ChileanCobaltMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_BaltumMember" name="BaltumMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_AshLazenbyMember" name="AshLazenbyMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_DuncanBlountMember" name="DuncanBlountMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_JimVanHornMember" name="JimVanHornMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_JeremyMcCannMember" name="JeremyMcCannMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_GoodwillImpairmentLoss1" name="GoodwillImpairmentLoss1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_ConversionOfSeriesBConvertiblePreferredStockToCommonStock" name="ConversionOfSeriesBConvertiblePreferredStockToCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_ConversionOfSeriesBConvertiblePreferredStockToCommonStockShares" name="ConversionOfSeriesBConvertiblePreferredStockToCommonStockShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_IssuanceOfCommonStockForMiningConcessions" name="IssuanceOfCommonStockForMiningConcessions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_IssuanceOfCommonStockForMiningConcessionsShares" name="IssuanceOfCommonStockForMiningConcessionsShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_IssuanceOfCommonStockForAcquisitionOfMiningConcessions" name="IssuanceOfCommonStockForAcquisitionOfMiningConcessions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_ConversionOfSeriesBConvertiblePreferredToCommonStock" name="ConversionOfSeriesBConvertiblePreferredToCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_MiningConcessionsPolicyTextBlock" name="MiningConcessionsPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_RestructuringAndOtherChargesPolicyTextBlock" name="RestructuringAndOtherChargesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_MiningConcessions" name="MiningConcessions" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_DisclosureTable" name="DisclosureTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="COBA_DisclosureLineElements" name="DisclosureLineElements" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsForfeitureRate" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionIssueDate" name="OptionIssueDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
    <element id="COBA_OptionExpiryDate" name="OptionExpiryDate" nillable="true" xbrli:periodType="duration" type="xbrli:dateItemType" substitutionGroup="xbrli:item" />
</schema>
