Document:

Filed by Automated Filing Services Inc. (604) 609-0244 - Nord Resources Corporation - Exhibit 10.57

Eleventh Amendment

To the

“Agreement for Purchase and Sale of Waste Rock from the
Johnson Camp Mine”

This document is an amendment (“Amendment”) to the “Agreement
for Purchase and Sale of Waste Rock from the Johnson Camp Mine” dated December
23, 2004 (“Agreement”) between Nord Resources Corporation (“Seller”) and JC
Rock, LLC (“Purchaser”).

	A) 	
      Seller and Purchaser hereby agree to extend the term of
      the Agreement from November 1, 2007 to January 31, 2008. The Agreement may
      also be extended by special arrangement on specific contracts at the sole
      option of the Seller.

	 	 
	B) 	
      Seller hereby agrees to reduce the royalty from $1.50 per
      ton to $1.00 per ton on fines and rock sold by Purchaser to individuals or
      companies where the sales price to such individuals or companies is less
      than $6.00 per ton, FOB Johnson Camp.

	 	 
	C) 	
      Purchaser hereby acknowledges that the Agreement
      is non-exclusive and hereby reaffirms Seller’s right to sell Johnson Camp
      rock that is not in Purchaser’s inventory to any individual or company
      during the term of the Agreement.

	Dated October 31, 2007 	 	  
	  	 	  
	Nord Resources Corporation 	 	JC Rock, LLC 
	By: /s/ Erland Anderson 	 	By: /s/ James RodmanFiled by Automated Filing Services Inc. (604) 609-0244 - Nord Resources Corporation - Exhibit 10.58

[NOTE TO READER: CERTAIN PORTIONS OF THIS AGREEMENT RELATING
TO PRICING AND PREMIUM INFORMATION HAVE BEEN OMITTED AND FILED SEPARATELY WITH
THE SECURITIES AND EXCHANGE COMMISSION. CONFIDENTIAL TREATMENT HAS BEEN
REQUESTED WITH RESPECT TO THE OMITTED PORTIONS.]

Copper Cathode Purchase and Sales Agreement

	Buyer: 	
      Red Kite Master Fund Limited, a company incorporated
      under the laws of the United Kingdom and having its registered office at
      20 Reid Street, Hamilton HM11, Bermuda. 

	  	
       

	Seller: 	
      Nord Resources Corporation, a company incorporated under
      the laws of the state of Delaware, and having its registered office at 1
      West Wetmore Road, Suite 203, Tucson, Arizona 85705, USA.
  

	Nature of Agreement: 	Seller hereby agrees to sell and deliver, and Buyer
      hereby agrees to purchase and pay for Johnson Camp copper cathodes on the
      terms and conditions contained in this Agreement. 

	Material: 	
      Johnson Camp copper cathodes. 

	  	
      

	Term: 	
      February 1, 2008 through December 31, 2012, and then
      renewable by mutual agreement unless otherwise terminated as provided
      herein. 

	  	
      

	Quantity: 	
      One hundred percent (100%) of production, estimated at
      twelve thousand (12,000) short tons per year initially. 

	  	
      

	Shipment: 	
      As produced. 

	  	
      

	Delivery: 	
      FCA Johnson Camp refinery, near Benson, AZ. 

	  	
      

	Weights: 	
      Seller’s certified scale weights to govern. 

	  	
      

	Payment: 	
      At the beginning of each calendar week, Buyer shall make
      provisional payment to Seller net cash by wire transfer to Seller’s
      nominated account for one hundred (100%) of the estimated value of the
      prior week’s shipments as evidenced by Seller’s provisional invoice and
      customary shipping documents, including bill of lading or holding
      certificate, certificate of origin for export shipments, Seller’s
      commercial invoice, packing list with individual gross and net weights by
      bundle and such other documentation as may be reasonably requested by
      Buyer. Final payment shall be made promptly by the responsible party upon
      presentation of Seller’s final monthly settlement invoice. 

	  	
      

		
      Seller may request that provisional payment be made
      against a Holding Certificate when Material is delivered at a location
      acceptable to Buyer. 

	  	
      

	Pre-Payment: 	
      If requested by Seller, Buyer shall consider offering a
      prepayment facility, subject to normal due diligence and credit approvals.
      

	 	
       

	Price: 	
      The COMEX first position settlement price averaged during
      the Quotational Period (“Q/P”). 

1

		
      Should Seller request forward fixing, it shall be by
      mutual agreement and subject to Buyer’s limits regarding term, volume and
      margin. If Seller is unable to deliver Material on a timely basis, Buyer’s
      costs incurred as a consequence of backwardation loss and replacement cost
      will be for the Seller’s account. 

	  	
       

	Q/P: 	
      For the approximately twenty percent (20%) of Quantity
      through December 2011 that Seller has hedged prior to the commencement of
      this Agreement, the Q/P shall be the contractual month of shipment (M).
      Seller shall provide Buyer with a schedule listing the volume and maturity
      dates for these hedges. At Buyer’s option, the Q/P for the remaining
      Quantity will be [*]. 

	Premium, Allowance and Discounts:
    
		
      The Grade 1 Premium (or Discount) for Material within
      ASTM B-115-2004 Grade 1 quality specifications (“Grade 1”) shall be [*].
      

	 	
       

		
      Prior to achieving COMEX brand registration, Material
      will be subject to an Unregistered Discount of [*]. 

	 	
       

		
      For material below Grade 1 but within ASTM B-115-2004
      Grade 2 quality specifications (“Grade 2”), the parties will agree each
      year on a quality adjustment that is representative of transactions
      between major copper producers and consumers (the “Quality Discount”).
    

	 	
       

		
      If the Grade 1 Premium (or Discount) and/or Quality
      Discount are no longer representative of actual market conditions, Buyer
      and Seller will agree on an alternative Grade 1 Premium (or Discount)
      and/or Grade 2 quality adjustment. 

[*] CERTAIN INFORMATION ON THIS PAGE HAS BEEN OMITTED AND
FILED SEPARATELY WITH THE COMMISSION. CONFIDENTIAL TREATMENT HAS BEEN REQUESTED
WITH RESPECT TO THE OMITTED PORTIONS.

2

		
      For Material below Grade 2, Buyer and Seller will
      negotiate in good faith, on a shipment by shipment basis, on the
      commercial terms which reflect fair market value. 

	  	
       

	Forecasts: 	
      Seller shall provide Buyer with three month forward
      production forecasts fifteen (15) days prior to each month and shall
      promptly notify Buyer of any material change in its most recent production
      forecast. 

	  	
       

	Title and Risk: 	
       

		
      Title and legal ownership of Cathode sold shall pass from
      Seller to Buyer upon Delivery. Material shall be at the risk of Buyer at
      all times after it has been delivered to Buyer or otherwise made available
      to Buyer. 

	  	
       

	  	
       

	Brand Registration: 
		
      The parties will work together to achieve COMEX brand
      registration for the Material as quickly as possible. Buyer has several
      major rod mill clients experienced and qualified to act as testing
      facilities for brand registration. 

	  	
       

	Indemnification: 
		
      Seller makes no warranty, expressed or implied, of
      merchantability, fitness for a particular purpose, or otherwise, which
      extend beyond the description of the Material. Seller further makes no
      warranty whatsoever regarding the volume of Material to be supplied
      pursuant to this Agreement. Buyer agrees that in no event shall Seller be
      liable for any special, indirect, incidental, or consequential damages
      arising under this Agreement, from the use of the Material, singularly or
      in combination with other products, or otherwise. Liability of Seller for
      defective goods is limited to replacement thereof and any direct costs and
      expenses incurred by Buyer. 

	  	
       

	Assignment: 	
      Subject to the consent of Seller, Buyer may at any time
      assign its rights and interests in this proposed Agreement, in whole or in
      part, to any financial institution, affiliate of the Buyer, or third
      party. 

	  	
       

	Termination: 	
      Either party shall have the right, by providing thirty
      (30) days prior written notice to the other party, to terminate this
      Agreement if 

	 	(a) 	
      the other party commits a material breach of any of the
      terms and conditions of the Agreement; or

	 	(b) 	
      any distress, execution or other process is levied upon
      any of the assets of the other party; or

	 	(c) 	
      the other party closes or threatens to cease to carry on
      its business; or

	 	(d) 	
      the other party has a bankruptcy order made against it,
      makes an arrangement or composition with its creditors, convenes a meeting
      of creditors, enters into liquidation or commences any other proceedings
      relating to insolvency or possible insolvency; or

	 	(e) 	
      the financial position of the other party deteriorates to
      such an extent that in its opinion the capability of the other party to
      fulfill its obligations under the Agreement has been placed in
      jeopardy.

3

		
      Any such termination shall be without prejudice to any
      rights accrued or duties arising prior to termination. 

	  	
       

	Force Majeure: 	
       

		
      Seller reserves the right to defer the date of delivery
      or to reduce the volume of Material supplied if prevented from or delayed
      in the conduct of its business due to circumstances beyond the reasonable
      control of Seller, including, without limitation, acts of God,
      governmental actions, war or national emergency, acts of terrorism,
      protests, riots, civil commotions, fires, explosions, floods, epidemics,
      lock-outs, strikes or other labor disputes (whether or not relating to
      Seller’s workforce), or restraints or delays affecting carriers or delay
      in obtaining supplies of adequate or suitable materials. 

	  	
       

	General Provisions: 
		
      If any provision of this Agreement is found by any court,
      administrative tribunal or arbitrator to be invalid or unenforceable in
      whole or in part, the remaining portions of the Agreement shall be deemed
      severable and shall continue in full force and effect. 

	  	
       

		
      Any failure or delay by either party in enforcing any
      rights under this Agreement shall not be construed as a waiver of any
      rights under this Agreement. 

	  	
       

		
      Any waiver of any breach or default under this Agreement
      shall not constitute a waiver of any subsequent breach or default and
      shall in no manner affect any other terms of this Agreement. 

	  	
       

		
      No provision of this Agreement shall be enforceable by
      any person or entity that is not a party to this Agreement. 

	  	
       

	Governing Law: 
		
      The formation, existence, construction, performance,
      validity and all aspects of this Agreement shall be governed by Arizona
      law without reference to principles of conflict of laws. 

	  	
       

	Arbitration: 	
      Any dispute arising out of or in connection with this
      Agreement shall be referred to and settled by final and binding
      arbitration to be conducted in Maricopa County, Arizona, pursuant to the
      following provisions. 

	  	
       

		
      The arbitration shall be conducted by an Arbitrator
      mutually selected by the parties to the dispute. If said parties are
      unable to agree upon an Arbitrator within fourteen (14) days of notice of
      a dispute, the parties shall each appoint an Arbitrator. These two
      Arbitrators shall then select a third Arbitrator. All three Arbitrators
      shall have substantial commercial experience in the base metals industry.
      

	  	
       

		
      The costs of the Arbitrators shall be paid one-half by
      each party to the dispute pending the final resolution of the arbitration,
      at which time the Arbitrators shall have the right to order such fees be
      paid by the non-prevailing party if the majority of the Arbitrators
      determine that the non-prevailing party was unreasonable in maintaining
      its position in the matter which caused the dispute.

4

In addition, the Arbitrators shall
have the right to award attorneys’ fees and other costs of arbitration against
the non-prevailing party.

An arbitration arising under this
Agreement shall be controlled by the rules promulgated by the American
Arbitration Association for the resolution of commercial disputes, except those
rules requiring use of the American Arbitration Association to administer the
proceeding.

The Arbitrators shall have the
authority to take any action to require the arbitration proceeding to be
completed and the Arbitrators’ award issued within one hundred fifty (150) days
of the selection of the Arbitrators. The Arbitrators shall have the authority to
resolve any dispute regarding the terms of this Agreement or any document
related hereto. The Arbitrators, either during the pendency of the arbitration
proceeding or as part of the arbitration award, may grant provisional or
ancillary remedies.

Any arbitration proceeding hereunder
shall be brought only in Maricopa County, Arizona, and both parties consent to
the jurisdiction therein. The parties to the Agreement hereby waive any and all
rights to appeal the decision of the Arbitrators and further agree that the
Arbitrator’s decision as to any dispute arbitrated pursuant hereto shall be
final and binding. Judgment upon the Arbitrators’ award may be entered in any
court having jurisdiction.

Agreed and signed by Seller on this, the 30th day of January,
  2008.

/s/ John T. Perry

NORD RESOURCES CORPORATION

Agreed and signed by Buyer on this, the 2nd day of February,
  2008.

/s/ Oscar Lewnoski

RED KITE MASTER FUND LIMITED

5

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