Document:

Filed by Automated Filing Services Inc. (604) 609-0244 - Nord Resources Corporation - Exhibt 4.36

THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN ACQUIRED FOR
INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR
DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE EFFECTED WITHOUT AN
EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL IN A
FORM SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER
THE SECURITIES ACT OF 1933.

AMENDED AND RESTATED 
CONVERTIBLE PROMISSORY
NOTE
DATED FOR REFERENCE JUNE 29, 2004

--------------------------------------

WHEREAS:

(A) Ronald A. Hirsch (the “Holder”) advanced a loan (the
“Loan”) in the principal amount of Thirty-Five Thousand Dollars($35,000) to Nord
Resources Corporation, a Delaware corporation (the “Company”) as evidenced by a
promissory note (the “Note”) dated June 29, 2004;

(B) The Note was amended on November 30, 2005 and May 5, 2006;
and

(C) The Holder and the Company have agreed to further amend the
terms of the Loan and to wish amend and restate the Note, as amended, to reflect
and consolidate all amendments to date as follows:

For value received the Company promises to pay to the Holder
the principal sum of Thirty-Five Thousand Dollars ($35,000). Simple interest
shall accrue from June 29, 2004, on the unpaid principal amount at a rate equal
to ten percent (10%) per annum. This Note is subject to the following terms and
conditions:

1. Maturity: Unless converted as provided in Section 2, this
Note will automatically mature and be due and payable in cash upon the earlier
of:

	 	(a) 	
      September 30, 2006; and

	 	 	 	 
	 	(b) 	
      the closing date of

	 	 	 	 
	 		(i) 	
      a registered equity offering and/or a debt project
      financing (collectively or separately, a “Funding”) in which the Company
      raises not less than the aggregate amount of $25,000,000, or

	 	 	 	 
	 		(ii) 	
      a significant corporate transaction (a “Significant
      Transaction”) in which 

	 	 	 	 
	 	 	 	(A) any person, together with all affiliates and
      associates of such person, becomes the beneficial owner, directly or
      indirectly, of securities of the Company representing 51% or more of the
      common shares the Company, or

- 2 -

(B) there is a sale, lease, exchange
or other transfer (in one transaction or a series of transactions contemplated
or arranged by any party as a single plan) of all or substantially all of the
assets of the Company or of assets of the Company valued at $12,000,000 or
greater

(the “Maturity Date”). Subject to Section 2 below, interest
shall accrue on this Note,

2. Conversion:

(a) Investment by the Holder. On the
Maturity Date:

(i) resulting from a Funding, the
Company will repay the outstanding principal and interest, as follows: 

(A) as to 50% in cash, and 

(B) as to 50% in fully paid and non
assessable shares of common stock of the Company with a deemed issue price of
$0.20 per share,

(ii) resulting from a Significant
Transaction:

(A) the outstanding principal will, at
the option of the Holder communicated the Company no later than two business
days prior to the Maturity Date, and

(B) the outstanding interest will, at
the option of the Company communicated to the Holder no later than two business
days prior to the Maturity Date

be converted into fully-paid and
non-assessable shares of common stock of the Company at the conversion price of
$0.175 per share, and

(iii) not resulting a Funding or a
Significant Transaction, 

(A) some or all of the outstanding
principal may, at the option of the Holder communicated to the Company no later
than two (2) business days prior to the Maturity Date, and

(B) some or all of the outstanding
interest may, at the option of the Company communicated to the Holder no later
than two (2) business days prior to the Maturity Date

be converted into fully-paid and
non-assessable shares of common stock of the Company at the conversion price of
$0.20 per share.

- 3 -

Any shares of the Company issued pursuant to this Section 2
will be “restricted shares” as defined by the Rule 144 under the Securities
Act of 1993, as amended.

(b) Mechanics and Effect of Conversion.
No fractional shares of the Company’s capital stock will be issued upon
conversion of this Note. In lieu of any fractional share to which the Holder
would otherwise be entitled, the Company will pay to the Holder in cash the
amount of the unconverted principal and interest balance of this Note that would
otherwise be converted into such fractional share. Upon conversion of this Note
pursuant to this Section 2, the Holder shall surrender this Note, duly endorsed,
at the principal offices of the Company. At its expense, the Company will, as
soon as practicable thereafter, issue and deliver to such Holder, at such
principal office, a certificate or certificates for the number of shares to
which such Holder is entitled. upon such conversion, together with an other
securities and property to which the Holder is entitled upon such conversion
under the terms of this Note, including a check payable to the Holder for any
cash amounts payable as described herein. Upon conversion of this Note, the
Company will be forever released from all of its obligations and liabilities
under this Note with regard to that portion of the principal amount and accrued
interest being converted including without limitation the obligation to pay such
portion of the principal amount and accrued interest; and

(c) Shares. The Shares issued to the
Holder pursuant to sections 2(a) and 2(b) shall be ‘restricted securities’ as
defined by Rule 144 under the Securities Act of 1933, as amended (the
“Securities Act”). However, the Company agrees that if at any time from the date
hereof until the earliest to occur of:

(i) the date as of which all the
Shares may be sold by the Holder without regard to the volume limitations set
forth in Rule 144(e) under the Securities Act, and

(ii) such date as of which all the
Shares held by the Holder have been sold, and there is not an effective
registration statement covering all of the Shares, the Company shall determine
to prepare and file with the United States Securities and Exchange Commission a
registration statement relating to an offering for its own account or the
account of others under the Securities Act, of any of its equity securities
(other than on Form S-4 or Form S-8 under the Securities Act, or their then
equivalents, relating to equity securities to be issued solely in connection
with any acquisition of any entity or business, or equity securities issuable in
connection with stock incentive or other employee benefit plans), then the
Company shall send to each Holder written notice of such determination and, if
within fifteen days after receipt of such notice, a Holder shall so request in
writing, the Company shall include in such registration statement all or any
part of the Shares the Holder requests to be registered; provided that the
Company shall not be required to register any Shares pursuant to this Section
that are eligible for resale pursuant to Rule 144(k) promulgated under the
Securities Act.

- 4 -

3. Payment: All payments shall be made in lawful money of the
United States of America at such place as the Holder hereof may from time to
time designate in writing to the Company. Payment shall be credited first to the
accrued interest then due and payable and the remainder applied to principal.
Prepayment of any part of this Note or the entire amount of this Note may be
made at any time without penalty.

4. Transfer: Successors and Assigns. The terms and conditions
of this Note shall enure to the benefit of and be binding upon the respective
successors and assigns of the parties. Notwithstanding the foregoing, the Holder
may not assign, pledge, or otherwise transfer this Note without the prior
written consent of the Company, except for transfers to affiliates. Subject to
the preceding sentence, this Note may be transferred only upon surrender of the
original Note for registration of transfer, duly endorsed, or accompanied by a
duly executed written instrument of transfer in form satisfactory to the Holder.
Thereupon, a new note for the same principal amount and interest will be issued
to, and registered in the name of, the transferee. Interest and principal are
payable only to. the registered holder of this Note.

5. Governing Law: This Note and all acts and transactions
pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of
Arizona, without giving effect to principles of conflicts of law.

6. Notices: Any notice required or permitted by this Note shall
be in writing and shall be deemed sufficient upon delivery, when delivered
personally or by a nationally-recognized delivery service (such as Federal
Express or UPS), or forty-eight (48) hours after being deposited in the U.S.
Mail, as certified or registered mail, with postage prepaid, addressed to the
party to be notified at such party’s address as set forth below or as
subsequently modified by written notice.

7. Amendments and Waivers: Any term of this Note may be amended
only with the written consent of the Company and the Holder. Any amendment or
waiver effected in accordance with this Section 7 shall be binding upon the
Company, the Holder and each transferee of the Note.

8. Stockholders, Officers and Directors Not Liable: In no event
shall any stockholder, officer or director of the Company be liable for any
amounts due or payable pursuant to this Note.

9. Entire Agreement: This Agreement, together with any exhibits
attached hereto, constitutes the entire understanding and agreement of the
parties hereto. This Agreement supersedes all prior negotiations, discussions,
correspondence, communications, understandings and agreements between the
parties relating to the subject matter of this Agreement.

- 5 -

10. This Agreement may be executed in one or more counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one and the same instrument. Facsimiles containing original
signatures shall be deemed for all purposes to be originally-signed copies of
the documents which are the subject of such facsimiles.

Dated as of August 14, 2006.

AGREED TO AND ACCEPTED:

	COMPANY: 	 	HOLDER: 
	 	 	 
	NORD RESOURCES CORPORATION 	 	RONALD A. HIRSCH
	 	 	 
	By: /s/
      John Perry 	 	BY: /s/ Ronald A. Hirsch 
	 	 	 
	Name: 	John Perry 	 	Name: 	Ronald A. Hirsch 
	 	 	 	 	 
	Title: 	Senior Vice President, Secretary, 	 	  	 
	  	Treasurer and Chief Financial Officer 	 	Address: 	668 N. Coast Hwy, #171 
	 	 	 	 	Laguna Beach, CA 92561 USA 
	Address: 	1 West Wetmore Road, Suite 203 	 	  	
	  	Tucson, Arizona 85705 USAFiled by Automated Filing Services Inc. (604) 609-0244 - Nord Resources Corporation - Exhibit 4.37

THE SECURITIES REPRESENTED BY THIS CERTIFICATE HAVE NOT BEEN
REGISTERED UNDER THE SECURITIES ACT OF 1933, AND HAVE BEEN ACQUIRED FOR
INVESTMENT AND NOT WITH A VIEW TO, OR IN CONNECTION WITH, THE SALE OR
DISTRIBUTION THEREOF. NO SUCH SALE OR DISTRIBUTION MAY BE EFFECTED WITHOUT AN
EFFECTIVE REGISTRATION STATEMENT RELATED THERETO OR AN OPINION OF COUNSEL IN A
FORM SATISFACTORY TO THE COMPANY THAT SUCH REGISTRATION IS NOT REQUIRED UNDER
THE SECURITIES ACT OF 1933.

AMENDED AND RESTATED 
CONVERTIBLE PROMISSORY
NOTE
DATED FOR REFERENCE AUGUST 19, 2004

--------------------------------------

WHEREAS:

(A) Stephen D. Seymour (the “Holder”) advanced a loan (the
“Loan”) in the principal amount of Sixty-Six Thousand Dollars ($66,000) to Nord
Resources Corporation, a Delaware corporation (the “Company”) as evidenced by a
promissory note (the “Note”) dated August 19, 2004; 

(B) The Note was amended on September 26, 2005, November 30,
2005 and May 5, 2006; and

(C) The Holder and the Company have agreed to further amend the
terms of the Loan and to wish amend and restate the Note as amended, to reflect
and consolidate all amendments to date as follows:

For value received the Company promises to pay to the Holder
the principal sum of Sixty-Six Thousand Dollars ($66,000). Simple interest shall
accrue from August 19, 2004, on the unpaid principal amount at a rate equal to
ten percent (10%) per annum. This Note is subject to the following terms and
conditions:

1. Maturity: Unless converted as provided in Section 2, this
Note will automatically mature and be due and payable in cash upon the earlier
of:

(a) September 30, 2006; and

(b) the closing date of 

(i) a registered equity offering
and/or a debt project financing (collectively or separately, a “Funding”) in
which the Company raises not less than the aggregate amount of $25,000,000,
or

(ii) a significant corporate
transaction (a “Significant Transaction”) in which

(A) any person, together with all
affiliates and associates of such person, becomes the beneficial owner, directly
or indirectly, of securities of the Company representing 51% or more of the
common shares the Company, or 

- 2 -

(B) there is a sale, lease, exchange
or other transfer (in one transaction or a series of transactions contemplated
or arranged by any party as a single plan) of all or substantially all of the
assets of the Company or of assets of the Company valued at $12,000,000 or
greater

(the “Maturity Date”). Subject to Section 2 below, interest
shall accrue on this Note,

2. Conversion:

(a) Investment by the Holder. On the
Maturity Date:

(i) resulting from a Funding, the
Company will repay the outstanding principal and interest, as follows: 

(A) as to 50% in cash, and 

(B) as to 50% in fully paid and non
assessable shares of common stock of the Company with a deemed issue price of
$0.20 per share,

(ii) resulting from a Significant
Transaction:

(A) the outstanding principal will, at
the option of the Holder communicated the Company no later than two business
days prior to the Maturity Date, and

(B) the outstanding interest will, at
the option of the Company communicated to the Holder no later than two business
days prior to the Maturity Date

be converted into fully-paid and
non-assessable shares of common stock of the Company at the conversion price of
$0.20 per share, and

(iii) not resulting a Funding or a
Significant Transaction, 

(A) some or all of the outstanding
principal may, at the option of the Holder communicated to the Company no later
than two (2) business days prior to the Maturity Date, and

(B) some or all of the outstanding
interest may, at the option of the Company communicated to the Holder no later
than two (2) business days prior to the Maturity Date

be converted into fully-paid and
non-assessable shares of common stock of the Company at the conversion price of
$0.20 per share.

- 3 -

Any shares of the Company issued pursuant to this Section 2
will be “restricted shares” as defined by the Rule 144 under the Securities
Act of 1993, as amended.

(b) Mechanics and Effect of Conversion.
No fractional shares of the Company’s capital stock will be issued upon
conversion of this Note. In lieu of any fractional share to which the Holder
would otherwise be entitled, the Company will pay to the Holder in cash the
amount of the unconverted principal and interest balance of this Note that would
otherwise be converted into such fractional share. Upon conversion of this Note
pursuant to this Section 2, the Holder shall surrender this Note, duly endorsed,
at the principal offices of the Company. At its expense, the Company will, as
soon as practicable thereafter, issue and deliver to such Holder, at such
principal office, a certificate or certificates for the number of shares to
which such Holder is entitled. upon such conversion, together with an other
securities and property to which the Holder is entitled upon such conversion
under the terms of this Note, including a check payable to the Holder for any
cash amounts payable as described herein. Upon conversion of this Note, the
Company will be forever released from all of its obligations and liabilities
under this Note with regard to that portion of the principal amount and accrued
interest being converted including without limitation the obligation to pay such
portion of the principal amount and accrued interest; and

(c) Shares. The Shares issued to the
Holder pursuant to sections 2(a) and 2(b) shall be ‘restricted securities’ as
defined by Rule 144 under the Securities Act of 1933, as amended (the
“Securities Act”). However, the Company agrees that if at any time from the date
hereof until the earliest to occur of:

(i) the date as of which all the
Shares may be sold by the Holder without regard to the volume limitations set
forth in Rule 144(e) under the Securities Act, and

(ii) such date as of which all the
Shares held by the Holder have been sold, and there is not an effective
registration statement covering all of the Shares, the Company shall determine
to prepare and file with the United States Securities and Exchange Commission a
registration statement relating to an offering for its own account or the
account of others under the Securities Act, of any of its equity securities
(other than on Form S-4 or Form S-8 under the Securities Act, or their then
equivalents, relating to equity securities to be issued solely in connection
with any acquisition of any entity or business, or equity securities issuable in
connection with stock incentive or other employee benefit plans), then the
Company shall send to each Holder written notice of such determination and, if
within fifteen days after receipt of such notice, a Holder shall so request in
writing, the Company shall include in such registration statement all or any
part of the Shares the Holder requests to be registered; provided that the
Company shall not be required to register any Shares pursuant to this Section
that are eligible for resale pursuant to Rule 144(k) promulgated under the
Securities Act.

- 4 -

3. Payment: All payments shall be made in lawful money of the
United States of America at such place as the Holder hereof may from time to
time designate in writing to the Company. Payment shall be credited first to the
accrued interest then due and payable and the remainder applied to principal.
Prepayment of any part of this Note or the entire amount of this Note may be
made at any time without penalty.

4. Transfer; Successors and Assigns: The terms and conditions
of this Note shall enure to the benefit of and be binding upon the respective
successors and assigns of the parties. Notwithstanding the foregoing, the Holder
may not assign, pledge, or otherwise transfer this Note without the prior
written consent of the Company, except for transfers to affiliates. Subject to
the preceding sentence, this Note may be transferred only upon surrender of the
original Note for registration of transfer, duly endorsed, or accompanied by a
duly executed written instrument of transfer in form satisfactory to the Holder.
Thereupon, a new note for the same principal amount and interest will be issued
to, and registered in the name of, the transferee. Interest and principal are
payable only to. the registered holder of this Note.

5. Governing Law: This Note and all acts and transactions
pursuant hereto and the rights and obligations of the parties hereto shall be
governed, construed and interpreted in accordance with the laws of the State of
Arizona, without giving effect to principles of conflicts of law.

6. Notices: Any notice required or permitted by this Note shall
be in writing and shall be deemed sufficient upon delivery, when delivered
personally or by a nationally-recognized delivery service (such as Federal
Express or UPS), or forty-eight (48) hours after being deposited in the U.S.
Mail, as certified or registered mail, with postage prepaid, addressed to the
party to be notified at such party’s address as set forth below or as
subsequently modified by written notice.

7. Amendments and Waivers: Any term of this Note may be amended
only with the written consent of the Company and the Holder. Any amendment or
waiver effected in accordance with this Section 7 shall be binding upon the
Company, the Holder and each transferee of the Note.

8. Stockholders, Officers and Directors Not Liable: In no event
shall any stockholder, officer or director of the Company be liable for any
amounts due or payable pursuant to this Note.

9. Entire Agreement: This Agreement, together with any exhibits
attached hereto, constitutes the entire understanding and agreement of the
parties hereto. This Agreement supersedes all prior negotiations, discussions,
correspondence, communications, understandings and agreements between the
parties relating to the subject matter of this Agreement.

- 5 -

10. This Agreement may be executed in one or more counterparts,
each of which shall be deemed an original, but all of which together shall
constitute one and the same instrument. Facsimiles containing original
signatures shall be deemed for all purposes to be originally-signed copies of
the documents which are the subject of such facsimiles.

Dated as of August 14, 2006

AGREED TO AND ACCEPTED:

	COMPANY: 	 	HOLDER: 	  
	  	  	 	  	  
	NORD RESOURCES CORPORATION 	 	STEPHEN D. SEYMOUR 
	  	  	 	  	  
	By: /s/
      John Perry 	 	BY: /s/ Stephen D. Seymour 
	  	  	 	  	  
	Name: 	John Perry 	 	Name: 	 Stephen D. Seymour 
	 	 	 	 	 
	Title: 	Senior Vice President, Secretary, 	 	  	  
	  	Treasurer and Chief Financial Officer 	 	Address: 	Rockland Investments Inc. 
	  	  	 	  	2201 Old Court Road 
	Address: 	1 West Wetmore Road, Suite 203 	 	  	Baltimore, MD 21208 USA 
	  	Tucson, Arizona 85705 USA

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