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	  <link:definition>0022 - Disclosure - 9. Stockholder's Equity (Tables)</link:definition>
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	  <link:definition>0025 - Disclosure - 2. Income (Loss) Per Common Share (Details)</link:definition>
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	  <link:definition>0026 - Disclosure - 3. Inventories (Details)</link:definition>
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	  <link:definition>0027 - Disclosure - 4. Accounts Receivable and Due to Factor (Details)</link:definition>
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	  <link:definition>0028 - Disclosure - 5. Commitments and Contingencies (Details Narrative)</link:definition>
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	  <link:definition>0031 - Disclosure - 7. Concentrations of Risk (Details)</link:definition>
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	  <link:definition>0032 - Disclosure - 8. Related Party Transactions (Details Narrative)</link:definition>
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	  <link:definition>0033 - Disclosure - 9. Stockholder's Equity (Details)</link:definition>
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	  <link:definition>0034 - Disclosure - 9. Stockholder's Equity (Details Narrative)</link:definition>
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	  <link:definition>0035 - Disclosure - 10. Business Segments (Details)</link:definition>
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	  <link:definition>0036 - Disclosure - 10. Business Segments (Details 1)</link:definition>
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	  <link:definition>0037 - Disclosure - 10. Business Segments (Details 2)</link:definition>
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    <element id="UAMY_SeriesDPreferredStockValue" name="SeriesDPreferredStockValue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesBPreferredStockSharesParValue" name="SeriesBPreferredStockSharesParValue" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesBPreferredStockAuthorizedShares" name="SeriesBPreferredStockAuthorizedShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesBPreferredStockIssuedShares" name="SeriesBPreferredStockIssuedShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesBPreferredStockOutstandingShares" name="SeriesBPreferredStockOutstandingShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesBLiquidationPreference" name="SeriesBLiquidationPreference" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesCPreferredStockSharesParValue" name="SeriesCPreferredStockSharesParValue" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesCPreferredStockAuthorizedShares" name="SeriesCPreferredStockAuthorizedShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesCPreferredStockIssuedShares" name="SeriesCPreferredStockIssuedShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesCPreferredStockOutstandingShares" name="SeriesCPreferredStockOutstandingShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesCLiquidationPreference" name="SeriesCLiquidationPreference" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesDPreferredStockSharesParValue" name="SeriesDPreferredStockSharesParValue" nillable="true" xbrli:periodType="instant" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesDPreferredStockAuthorizedShares" name="SeriesDPreferredStockAuthorizedShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesDPreferredStockIssuedShares" name="SeriesDPreferredStockIssuedShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesDPreferredStockOutstandingShares" name="SeriesDPreferredStockOutstandingShares" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesDLiquidationPreference" name="SeriesDLiquidationPreference" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SeriesDCumulativeDividends" name="SeriesDCumulativeDividends" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_FactoringExpense" name="FactoringExpense" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockIssuedToDirectorsForServices" name="CommonStockIssuedToDirectorsForServices" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_NetProceedsFromPaymentsToFactor" name="NetProceedsFromPaymentsToFactor" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_IssuanceOfCommonStockPursuantToExerciseOfWarrants" name="IssuanceOfCommonStockPursuantToExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_PaymentsReceivedOnStockSubscriptionAgreements" name="PaymentsReceivedOnStockSubscriptionAgreements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ChangeInChecksIssuedAndPayable" name="ChangeInChecksIssuedAndPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_PropertiesPlantsEquipmentAcquiredWithLongTermDebt" name="PropertiesPlantsEquipmentAcquiredWithLongTermDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_PaymentOfLongtermDebtWithEquipment" name="PaymentOfLongtermDebtWithEquipment" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockIssuedForPrepaidDirectorsFees" name="CommonStockIssuedForPrepaidDirectorsFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockIssuedPursuantToCashlessExerciseOfWarrants" name="CommonStockIssuedPursuantToCashlessExerciseOfWarrants" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_NotesToFinancialStatementsAbstract" name="NotesToFinancialStatementsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_AccountsReceivableAndDueToFactorTextBlock" name="AccountsReceivableAndDueToFactorTextBlock" nillable="true" xbrli:periodType="duration" type="nonnum:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_AccountsReceivableAndDueToFactorAbstract" name="AccountsReceivableAndDueToFactorAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ConcentrationOfRiskTablesAbstract" name="ConcentrationOfRiskTablesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_Warrants1" name="Warrants1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ConvertiblePreferredStock1" name="ConvertiblePreferredStock1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_AccountsReceivableNonFactored1" name="AccountsReceivableNonFactored1" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_AccountsReceivableFactoredWithRecourse" name="AccountsReceivableFactoredWithRecourse" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_DiscountOnPaymentToPurchaseOptions" name="DiscountOnPaymentToPurchaseOptions" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_SignificantPurchaseCommitmentRemainingMinimumAmountCommitted1" name="SignificantPurchaseCommitmentRemainingMinimumAmountCommitted1" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CapitalizedMineralRights" name="CapitalizedMineralRights" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_AccruedLiability" name="AccruedLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_PledgedSecuritiesAsCollateral" name="PledgedSecuritiesAsCollateral" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_LongTermDebtDetailsAbstract" name="LongTermDebtDetailsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ConcentrationsOfRiskAbstract" name="ConcentrationsOfRiskAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsIn2014" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsIn2014" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsIn2015" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsIn2015" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsThereafter" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsThereafter" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsTotal" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsTotal" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice1" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice1" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice3" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice3" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_UnregisteredCommonStockSold" name="UnregisteredCommonStockSold" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_UnregisteredCommonStockValue1" name="UnregisteredCommonStockValue1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockParOrStatedValuePerShare1" name="CommonStockParOrStatedValuePerShare1" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_WarrantsIssued" name="WarrantsIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_WarrantsIssuedPricePerShare" name="WarrantsIssuedPricePerShare" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_ExpensesInIssuanceOfUnregisteredCommonStock" name="ExpensesInIssuanceOfUnregisteredCommonStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockSharesIssued1" name="CommonStockSharesIssued1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockIssuedPricePerShare" name="CommonStockIssuedPricePerShare" nillable="true" xbrli:periodType="duration" type="num:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CommonStockValue1" name="CommonStockValue1" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CapitalStock" name="CapitalStock" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_AwardedUnregisteredCommonStock1" name="AwardedUnregisteredCommonStock1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_RemainingSharesOfUnregisteredCommonStock1" name="RemainingSharesOfUnregisteredCommonStock1" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="UAMY_CapitalExpenditure" name="CapitalExpenditure" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
