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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Washington D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>PURSUANT TO SECTION 13 OR 15(d) OF</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>THE SECURITIES EXCHANGE ACT OF 1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">Date of Report (Date of earliest event reported):
<B>February 15, 2012</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>CASABLANCA MINING LTD.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Name of small business issuer specified in
its charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR>
    <TD STYLE="width: 34%; vertical-align: top; font-weight: bold; text-align: center">Nevada</TD>
    <TD STYLE="width: 2%; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="width: 31%; vertical-align: top; font-weight: bold; text-align: center">000-53558</TD>
    <TD STYLE="width: 2%; vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="width: 31%; vertical-align: top; font-weight: bold; text-align: center">80-0214005</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">(State or other jurisdiction</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center">(Commission File No.)</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center">(I.R.S. Employer</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">of incorporation)</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top">&nbsp;</TD>
    <TD STYLE="vertical-align: bottom">&nbsp;</TD>
    <TD STYLE="vertical-align: top; text-align: center">Identification No.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>9880 Magnolia Ave. Suite 176</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>Santee, CA 92071</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Address of principal executive offices)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center; text-indent: 0.5in">(former name or former address,
if changed since last report)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><B>619-717-8047</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center">(Registrant&rsquo;s telephone number)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD>Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD>Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD>Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD>Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</TD></TR></TABLE>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt"><B>ITEM 1.01 ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">Effective February 15, 2012, Casablanca
Mining Ltd.&rsquo;s (the &ldquo;<U>Company</U>&rdquo;) wholly owned subsidiary, Santa Teresa Minerals, S.A. (&ldquo;<U>Santa Teresa
Minerals</U>&rdquo;), amended that certain stock purchase agreement (&ldquo;<U>Agreement</U>&rdquo;) dated January 26, 2012, with
Bluestone S.A. (previously referred to as Bluestone Minerals, S.A.), an entity organized under the laws of Chile (&ldquo;<U>Bluestone</U>&rdquo;),
regarding the sale by Santa Teresa Minerals of its interests in Sulfatos Chile, S.A. (&ldquo;<U>Sulfatos Chile</U>&rdquo;). The
stock purchase agreement was discussed in greater detail in the current report on Form 8-K filed by the Company on January 27,
2012.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">Among other things, the amendment modified
the manner in which the purchase price was to be paid. In particular, the purchase price of $2.2 million is to be paid by cancellation
at the closing of a demand loan to Santa Teresa Minerals by Angelique de Maison in the amount of $1.1 million as of the closing,
which loan had been assigned by Ms. de Maison to Bluestone, with the balance of $1.1 million to be paid in monthly installments
from time to time upon demand by Santa Teresa Minerals. Furthermore, Santa Teresa Minerals retained an obligation to provide $214,000
to Sulfatos Chile, which may be paid by Santa Teresa Minerals with the proceeds from the purchase price. The loan to Santa Teresa
Minerals by Ms. de Maison was discussed in greater detail in the current report on Form 8-K filed by the Company on January 20,
2012.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt"><B>ITEM&nbsp;2.01. COMPLETION OF ACQUISITION OR DISPOSITION
OF ASSETS.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">On February 15, 2012, Santa Teresa Minerals
completed the sale of its 60% equity interest in Sulfatos Chile to Bluestone pursuant to the Agreement. Sulfatos Chile is a copper
sulfate production project which includes the Anico Copper Mines and a copper sulfate production facility.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">In exchange for its equity interest in
Sulfatos Chile, at the closing: (a) Santa Teresa Minerals received 2,000 shares of common stock of Bluestone, representing 20%
of the outstanding capital stock of Bluestone; and (b) the demand loan in the amount of $1.1m payable by Santa Teresa Minerals
to Bluestone was cancelled. In addition, Bluestone has agreed to pay an additional $1.1 million in monthly installments from time
to time upon demand by Santa Teresa Minerals.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">Juan Carlos Camus Villegas, a director
of the Company and the Company&rsquo;s Chief Executive Officer and Chairman, is also a director of Bluestone, and he and Ms. de
Maison, a director of the Company, own substantially all of the outstanding capital stock of Bluestone other than the shares issued
to Santa Teresa Minerals.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">The transaction was approved by the Board
of Directors of the Company, with Mr. Camus and Ms. de Maison abstaining. The Board of Directors determined that the purchase price
was fair in light of the Company&rsquo;s funding needs and the potential value of the interests in Bluestone. The Board of Directors
determined that the Company needed additional capital to develop its gold mining operations and that the Company did not have the
available funds necessary to further develop Sulfatos Chile. The Board of Directors further believes that the interests of Sulfatos
Chile may be of greater value if the interests are separated from the other mining operations of Santa Teresa Minerals, and Bluestone
has advised the Company that it intends to become (or merge with) a public reporting company in the United States in the near future.
While there can be no assurance that Bluestone will do so, the Board of Directors believes the interests in a public reporting
company would provide the Company with greater liquidity than the interests of the privately held Sulfatos Chile.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0 0 12pt">ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 12pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.5in"></TD><TD STYLE="width: 0.5in">(d)</TD><TD>Exhibits:</TD></TR></TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 12%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-decoration: underline">Exhibit</TD>
    <TD STYLE="width: 7%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold">&nbsp;</TD>
    <TD STYLE="width: 81%; padding-right: 5.4pt; padding-left: 5.4pt; font-weight: bold; text-decoration: underline">Description</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">10.1</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Amendment No. 1 To Stock Purchase Agreement, dated February 15, 2012, by and among Santa Teresa Minerals, S.A. and Bluestone Minerals S.A.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-align: center">SIGNATURES</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt; text-indent: 0.5in">Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt"></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Date: February 16, 2012&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">CASABLANCA MINING LTD.&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 50%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 3%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 35%">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; width: 12%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">By:&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt; border-bottom: Black 1pt solid">/s/ Zirk Engelbrecht</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">Zirk Engelbrecht&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">President&nbsp;</TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">&nbsp;</TD></TR>
</TABLE>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0 0 12pt"></P>



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{"company-data": {"conformed-name": "Casablanca Mining Ltd.", "cik": "0001454007", "assigned-sic": "1311", "irs-number": "800214005", "state-of-incorporation": "NV", "fiscal-year-end": "0204"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-53558", "film-number": "12620355"}, "business-address": {"street1": "9880 MAGNOLIA AVE.", "street2": "SUITE 176", "city": "SANTEE", "state": "CA", "zip": "92071", "phone": "619-717-8047"}, "mail-address": {"street1": "9880 MAGNOLIA AVE.", "street2": "SUITE 176", "city": "SANTEE", "state": "CA", "zip": "92071"}, "former-company": {"former-conformed-name": "USD ENERGY CORP.", "date-changed": "20090114"}}
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington D.C. 20549
FORM 8-K
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF
THE SECURITIES EXCHANGE ACT OF 1934
Date of Report (Date of earliest event reported):
February 15, 2012
CASABLANCA MINING LTD.
(Name of small business issuer specified in
its charter)
Nevada
000-53558
80-0214005
(State or other jurisdiction
(Commission File No.)
(I.R.S. Employer
of incorporation)
Identification No.)
9880 Magnolia Ave. Suite 176
Santee, CA 92071
(Address of principal executive offices)
(former name or former address,
if changed since last report)
619-717-8047
(Registrant's telephone number)
Check the appropriate box below if the Form 8-K filing is intended
to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
¨
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
¨
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
¨
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
¨
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
ITEM 1.01 ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT
Effective February 15, 2012, Casablanca
Mining Ltd.'s (the "
Company
") wholly owned subsidiary, Santa Teresa Minerals, S.A. ("
Santa Teresa
Minerals
"), amended that certain stock purchase agreement ("
Agreement
") dated January 26, 2012, with
Bluestone S.A. (previously referred to as Bluestone Minerals, S.A.), an entity organized under the laws of Chile ("
Bluestone
"),
regarding the sale by Santa Teresa Minerals of its interests in Sulfatos Chile, S.A. ("
Sulfatos Chile
"). The
stock purchase agreement was discussed in greater detail in the current report on Form 8-K filed by the Company on January 27,
2012.
Among other things, the amendment modified
the manner in which the purchase price was to be paid. In particular, the purchase price of $2.2 million is to be paid by cancellation
at the closing of a demand loan to Santa Teresa Minerals by Angelique de Maison in the amount of $1.1 million as of the closing,
which loan had been assigned by Ms. de Maison to Bluestone, with the balance of $1.1 million to be paid in monthly installments
from time to time upon demand by Santa Teresa Minerals. Furthermore, Santa Teresa Minerals retained an obligation to provide $214,000
to Sulfatos Chile, which may be paid by Santa Teresa Minerals with the proceeds from the purchase price. The loan to Santa Teresa
Minerals by Ms. de Maison was discussed in greater detail in the current report on Form 8-K filed by the Company on January 20,
2012.
ITEM 2.01. COMPLETION OF ACQUISITION OR DISPOSITION
OF ASSETS.
On February 15, 2012, Santa Teresa Minerals
completed the sale of its 60% equity interest in Sulfatos Chile to Bluestone pursuant to the Agreement. Sulfatos Chile is a copper
sulfate production project which includes the Anico Copper Mines and a copper sulfate production facility.
In exchange for its equity interest in
Sulfatos Chile, at the closing: (a) Santa Teresa Minerals received 2,000 shares of common stock of Bluestone, representing 20%
of the outstanding capital stock of Bluestone; and (b) the demand loan in the amount of $1.1m payable by Santa Teresa Minerals
to Bluestone was cancelled. In addition, Bluestone has agreed to pay an additional $1.1 million in monthly installments from time
to time upon demand by Santa Teresa Minerals.
Juan Carlos Camus Villegas, a director
of the Company and the Company's Chief Executive Officer and Chairman, is also a director of Bluestone, and he and Ms. de
Maison, a director of the Company, own substantially all of the outstanding capital stock of Bluestone other than the shares issued
to Santa Teresa Minerals.
The transaction was approved by the Board
of Directors of the Company, with Mr. Camus and Ms. de Maison abstaining. The Board of Directors determined that the purchase price
was fair in light of the Company's funding needs and the potential value of the interests in Bluestone. The Board of Directors
determined that the Company needed additional capital to develop its gold mining operations and that the Company did not have the
available funds necessary to further develop Sulfatos Chile. The Board of Directors further believes that the interests of Sulfatos
Chile may be of greater value if the interests are separated from the other mining operations of Santa Teresa Minerals, and Bluestone
has advised the Company that it intends to become (or merge with) a public reporting company in the United States in the near future.
While there can be no assurance that Bluestone will do so, the Board of Directors believes the interests in a public reporting
company would provide the Company with greater liquidity than the interests of the privately held Sulfatos Chile.
-
1
-
ITEM 9.01 FINANCIAL STATEMENTS AND EXHIBITS
(d)
Exhibits:
Exhibit
Description
10.1
Amendment No. 1 To Stock Purchase Agreement, dated February 15, 2012, by and among Santa Teresa Minerals, S.A. and Bluestone Minerals S.A.
-
2
-
SIGNATURES
Pursuant to the requirements of the Securities
Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Date: February 16, 2012
CASABLANCA MINING LTD.
By:
/s/ Zirk Engelbrecht
Zirk Engelbrecht
President
-
3
-