Document:

Filed by Automated Filing Services Inc. (604)609-0244 - Terax Energy Inc. - Exhibit 10.1

PURCHASE AND SALE AGREEMENT

          This
  Purchase and Sale Agreement (the “Agreement”) is executed on
  April 24th, 2007 by and between Westar Oil Inc, 9595 Wilshire Blvd, Suite
  510 Beverly Hills, CA.90210 (the “Purchaser”) and Terax
  Energy Inc whose (the “Seller”). Seller and Purchaser are
  sometimes together referred to herein as “Parties.”

NOTICE IS TAKEN OF THE FOLLOWING:

	A. 	
      Seller owns certain oil and gas leasehold interests
      located in Texas approximately 20,000 acres that currently generate no
      income and related assets more fully described on the exhibits
    hereto.

	 	 
	B. 	
      Seller desires to sell and Purchaser desires to acquire
      stock in Seller’s company equal to Fifty-Five percent (55%) of the issued
      and outstanding shares of common stock, $.001 par value per share, as of
      the closing of the transactions contemplated hereby (the “Terax Shares”).
      The purchase shall be in two installments, one installment upon execution
      of the agreement and the second installment no later than July 15,
      2007.

          NOW,
  THEREFORE, for and in consideration of the mutual covenants and agreements
  hereinafter set forth, Seller and Purchaser hereby agree as follows:

ARTICLE 1. - DEFINITIONS 

          1.1.
  “Agreement” shall mean this Purchase and Sale Agreement, as amended
  from time to time, between Seller and Purchaser.

ARTICLE 2. - AGREEMENT TO PURCHASE AND SELL

          Subject
  to the terms and conditions of this Agreement, Seller agrees to sell and convey
  to Purchaser, and Purchaser agrees to purchase and pay for the Stock

ARTICLE 3. - PURCHASE PRICE AND PAYMENT

          3.1.
  Purchase Price. The Purchase Price for the stock shall be equal
  to Twenty One cents ($0.21) per share, multiplied by the number of Terax Shares
  to be issued (the “Purchase Price”). The Purchase Price shall be paid
  in cash by the delivery to Seller of a certified or bank cashier's checks in
  New York Clearing House Funds, payable to the order of the Seller or, at the
  Seller’s option, by wire transfer of immediately available funds into an
  account designated by the Seller. An initial closing will be held pursuant to
  which the Purchaser will acquire nine percent (9%) of the issued and outstanding
  Terax Shares as of the date hereof, at a purchase price of $0.21 per share.
  Provided that as of 9:00 am EDT on July 15th, there shall not exist any bankruptcy
  or insolvency proceedings against the Seller, a second closing shall be held
  pursuant to which the Purchaser shall acquire forty six percent (46%) of the
  issued and outstanding Terax Shares as of the date hereof, at a purchase price
  of $0.21 per share.

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ARTICLE 4 - REPRESENTATIONS AND WARRANTIES

          4.1.
  Seller's Representations and Warranties. Seller represents
  and warrants to Purchaser as follows:

	 	a. 	Seller's Organization. Seller has been
      duly organized and is validly existing in good standing under the laws of
      the State of Nevada, and is qualified to do business in all jurisdictions
      where the nature of the Stock or its business so requires such qualification.
    
	 	  	  
	 	b. 	Seller's Authority. Seller has the power
      and authority to enter into and perform the Agreement and to consummate
      the transactions contemplated hereby. The execution, delivery, and performance
      by Seller of the Agreement and the consummation of the transactions contemplated
      hereby have been duly authorized by all requisite corporate action and the
      Agreement has been duly executed and delivered by Seller. This authority
      shall include express acknowledgements that the board of directors of seller
      have approved this transaction, and that the board will provide prior to
      close signed Board resolutions approving this transaction. Furthermore,
      Seller expressly acknowledges that Seller has not relied on any written
      or oral representations by Purchaser, or Purchaser’s agents regarding
      any provision of this agreement, or any implied or express written or oral
      representations. Neither the execution and delivery of this Agreement, the
      consummation of the transactions herein contemplated, nor compliance with
      the terms of this Agreement will violate, conflict with, result in a breach
      of, or constitute a default under any statute, regulation, indenture, mortgage,
      loan agreement, or other agreement or instrument to which the Seller is
      a party or by which it is bound, any charter, regulation, or bylaw provision
      of the Seller, or any decree, order, or rule of any court or governmental
      authority or arbitrator that is binding on the Seller in any way. 
	 	  	  
	          4.2.
      Purchaser's Representations and Warranties. Purchaser
      represents and warrants to Seller as follows: 
	 	  	  
	 	a. 	Purchaser's Organization. Purchaser has
      been duly organized and is validly existing and in good standing under the
      laws of the State of Nevada, and, at Closing. 
	 	  	  
	 	  	  
	 	b. 	Purchaser's Authority. Purchaser has the
      power and authority to enter into and perform the Agreement and to consummate
      the transactions contemplated hereby. The execution, delivery, and performance
      by Purchaser of the Agreement and the consummation of the transactions contemplated
      hereby have been duly authorized by all requisite corporate action and the
      Agreement has been duly executed and delivered by Purchaser. This authority
      shall include express acknowledgements that the board of directors of Purchaser
      have approved this transaction, and that the board will provide prior to
      close signed Board resolutions approving this 

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	 		 transaction. Furthermore, Purchaser expressly acknowledges
        that Purchaser has not relied on any written or oral representations by
        Seller, or Seller’s agents regarding any provision of this agreement,
        or any implied or express written or oral representations. Neither the
        execution and delivery of this Agreement, the consummation of the transactions
        herein contemplated, nor compliance with the terms of this Agreement will
        violate, conflict with, result in a breach of, or constitute a default
        under any statute, regulation, indenture, mortgage, loan agreement, or
        other agreement or instrument to which the Purchaser is a party or by
        which it is bound, any charter, regulation, or bylaw provision of the
        Purchaser, or any decree, order, or rule of any court or governmental
        authority or arbitrator that is binding on the Purchaser in any way.

	 	 	 
	 	c.	  Investment Intent. The Terax Shares are
        being acquired hereunder by the Purchaser for investment purposes only,
        for their own account, not as a nominee or agent and not with a view to
        the distribution thereof, except in compliance with the Securities Act
        of 1933, as amended, and applicable law. The Purchaser has no present
        intention to sell or otherwise dispose of the Terax Shares and will not
        do so except in compliance with the provisions of the Securities Act of
        1933, as amended, and applicable law. The Purchaser understand that the
        Terax Shares acquired hereunder must be held indefinitely unless a subsequent
        disposition or transfer of any of said shares is registered under the
        Securities Act of 1933, as amended, or is exempt from registration therefrom.
        The Purchaser further understand that the exemption from registration
        afforded by Rule 144 (the provisions of which are known to the Sellers)
        promulgated under the Securities Act of 1933, as amended, depends on the
        satisfaction of various conditions, and that, if and when applicable,
        Rule 144 may afford the basis for sales only in limited amounts.

	 	 	 
	 	d. 	 Investment Experience; Suitability. The Purchaser
        is a sophisticated investor familiar with the type of risks inherent in
        the acquisition of securities such as the Terax Shares and the Purchaser’s
        financial position is such that the Purchaser can afford to retain the
        Terax Shares for an indefinite period of time without realizing any direct
        or indirect cash return on their investment.

	 	 	 
	 	e. 	 No Regulatory Proceedings. Neither the Purchaser
        nor any officer, director, principal stockholder or affiliate of the Purchaser
        has been the subject of any regulatory or criminal proceedings or prosecutions
        relating to violation of or a liability under Federal or state securities
        laws or a claim of breach of fiduciary duty.

	 	 	 
	 	f. 	 No Other Representations or Warranties; Schedules.
        Except for the representations and warranties contained in Section 4.1
        of this Agreement, neither the Seller nor any other person makes any express
        or implied representation or warranty with respect to the Seller, the
        business of the Seller, the financial condition of the Seller or the transactions
        contemplated by this Agreement, and the Seller disclaim any other

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representations or warranties, whether
made by the Seller, any affiliate of the Seller or any of its officers,
directors, managers, employees, agents or representatives. Except for the
representations and warranties contained in Section 4.1 of this Agreement, the
Seller (i) expressly disclaims and negates any representation or warranty,
expressed or implied, at common law, by statute or otherwise, relating to the
condition of the Company’s assets (including any implied or expressed warranty
of merchantability or fitness for a particular) and (ii) hereby disclaims all
liability and responsibility for any representation, warranty, projection,
forecast, statement, or information made, communicated, or furnished (orally or
in writing) to the Purchaser or its affiliates or representatives (including any
opinion, information, projection or advice that may have been or may be provided
to the Purchaser by any director, officer, employee, agent, consultant or
representative of the Seller or any of their affiliates). The Seller makes no
representations or warranties to the Purchaser regarding the probable success or
profitability of the Company.

ARTICLE 5. - COVENANTS 

          The
  Seller hereby covenants and agrees with the Purchaser as follows:

          5.1
  Board of Directors Representation. The Seller agrees that
  upon the initial closing, the Purchaser shall have the right to designate one
  member to the Board of Directors of the Seller. Upon the initial closing, the
  Seller shall deliver to the Purchaser the undated, signed resignation David
  Pratt as a member of the Board of Directors of the Seller. Within five (5) business
  days after the initial closing, the Seller shall file with the Securities and
  Exchange Commission a Schedule 14f-1 under the Securities Exchange Act of 1934,
  as amended. Upon completion of the required ten (10) day waiting period, the
  Seller shall date and accept the resignation of Mr. Pratt and may then appoint
  such additional members to the Board of Directors as disclosed in the Schedule
  14f-1.

          5.2
  Officers. Upon the initial closing, the Purchaser shall have
  the right to designate the Seller’s Chief Executive Officer and such other
  officers as Purchaser shall designate.

          5.3
  Name Change. Within 21 days from the initial closing
  date, the Seller shall cause its name to be changed to a new name designated
  by the Purchaser.

ARTICLE 6. - ACCESS TO INFORMATION AND
INSPECTIONS 

          6.1.
  Title Files. Promptly after the execution of this Agreement
  and until the Closing Date, Seller shall permit Purchaser and its representatives
  at reasonable times during normal business hours to examine and, at Purchaser's
  expense, make such copies of, in Seller's offices at their actual location,
  all abstracts of title, title opinions, title files, ownership maps, lease files,
  assignments, division orders, payout statements and agreements pertaining to
  the Seller as requested by Purchaser, insofar as the same may now be in existence
  and in the possession of Seller. 

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ARTICLE 7. - ENVIRONMENTAL MATTERS, ADJUSTMENTS
AND TERMINATION 

          7.1.
  Site Inspections. Upon execution of and pursuant to
  the terms of this Agreement, Purchaser shall have the right, at reasonable times
  during normal business hours, to conduct its investigation into the status of
  the physical and environmental condition of the assets of the Seller, at the
  sole cost and expense of Purchaser.

ARTICLE 8. - TITLE DEFECTS, TERMINATION AND
ADJUSTMENTS 

          8.1
  Definitions. For purposes hereof, the terms set forth
  below shall have the meanings assigned thereto:

	 	a. 	“Defensible Title,” subject to and except for the Permitted
      Encumbrances (as hereinafter defined), means that Seller has such title
      that (i) entitles Seller to receive not less than the net revenue interest
      shown on Exhibit B of all oil and gas produced, saved, and marketed
      from or attributable to the well or unit indicated; (ii) obligates Seller
      to bear the costs and expenses relating to the maintenance, development
      and operation of such well or unit in an amount not greater than the expense
      interest of Seller.

ARTICLE 9. - CLOSING CONDITIONS 

     9.1. Seller's
Closing Conditions. The obligations of Seller under this
Agreement are subject, at the option of Seller, to the satisfaction, at or prior
to the Closing, of the following conditions:

	 	a.	all necessary consents of and filings with any state or federal governmental
      authority or agency relating to the consummation of the transactions contemplated
      by this Agreement shall have been obtained, accomplished or waived, except
      to the extent that such consents and filings are normally obtained, accomplished,
      or waived after Closing;

          9.2.
  Purchaser's Closing Conditions. The obligations of Purchaser
  under this Agreement are subject, at the option of Purchaser, to the satisfaction,
  at or prior to the Closing, of the following conditions:

	 	a. 	all necessary consents of and filings with any state or federal governmental
      authority or agency relating to the consummation of the transactions contemplated
      by this Agreement shall have been obtained, accomplished or waived, except
      to the extent that such consents and filings are normally obtained, accomplished
      or waived after Closing;

ARTICLE 10. - CLOSING 

          10.1.
  Closing. The initial closing of this transaction (the “Closing”)
  shall be held at the offices of Purchaser in Dallas Texas, at 10:00 a.m. on
  April 18th, 2007; or at such earlier date or place as the Parties may agree
  in writing (the “Closing Date”).

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          10.2.
  Seller's Closing Obligations. At Closing, Seller shall deliver
  to Purchaser the following:

	 	a.	Upon the initial Closing - issuance of the Terax Shares equal to Nine
      (9%) percent of the issued and outstanding shares of common stock as of
      the initial Closing Date; Upon the final Closing - issuance of the Terax
      Shares equal to Forty Six (46%) percent of the issued and outstanding shares
      of common stock as of the initial Closing Date.

          10.3.
  Purchaser's Closing Obligations. At the initial Closing, Purchaser
  shall deliver the full Purchase Price for the purchase of Nine (9%) percent
  of the issued and outstanding shares of common stock. 

ARTICLE 11. - DEFAULT AND REMEDIES 

          11.1.
  Seller's Remedies. If Purchaser fails to comply with the terms
  of this Agreement, or if Seller’s closing conditions as set out in Section
  9.1 are not satisfied or waived by Seller, in either case by the Closing
  Date, as it shall be extended in accordance herewith, Seller, at its sole option,
  may select among the following (i) enforce specific performance, or (ii) terminate
  this Agreement and seek damages from the Purchaser, as well as reserve the right
  to seek all other remedies are not being waived by Purchaser.

          11.2.
  Purchaser's Remedies. If Seller fails to comply with the terms
  of this Agreement, or if Purchaser’s closing conditions as set out in Section
  9.2 are not satisfied or waived by Purchaser, in either case by the Closing
  Date, as it may be extended in accordance herewith, Purchaser, at its sole option,
  may select among the following (i) enforce specific performance, or (ii) terminate
  this Agreement, as well as reserve the right to seek all other remedies not
  being waived by Seller .

ARTICLE 12. - GENERAL 

          12.1.
  Fees, Costs and Expenses. Except as may be otherwise
  specifically provided in this Agreement, all fees, costs, and expenses incurred
  by Purchaser or Seller in negotiating this Agreement or in consummating the
  transactions contemplated hereby shall be paid by the party incurring that fee
  or cost, including, without limitation, legal and accounting fees, and any and
  all costs of due diligence. All sales, use, transfer, intangible, recordation,
  documentary stamp or similar taxes or charges, of any nature whatsoever, applicable
  to, or resulting from, the transactions contemplated by this Agreement shall
  be borne by the Purchaser.

          12.2.
  Further Assurances and Records. After the closing each
  of the Parties will execute, acknowledge and deliver to the other such further
  instruments, and take such other action, as may be reasonably requested in order
  to more effectively assure to said Party all of the respective properties, rights,
  titles, interests, estates, and privileges intended to be assigned, delivered
  or inuring to the benefit of such Party in consummation of the transactions
  contemplated hereby.

          12.3.
  Notices. Except as otherwise expressly provided herein,
  all 

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communications required or permitted under this Agreement shall
be in writing and any communication or delivery hereunder shall be deemed to
have been duly given and received (a) three days after being placed in United
States first class mail, postage prepaid; (b) when actually delivered by fax or
other telecommunication; (c) when actually delivered by certified United States
mail, postage prepaid, return receipt requested; or (d) when actually delivered
by receipted overnight delivery service, to the address of the parties to be
notified as set forth below and addressed as follows:

Purchaser:

 

Seller:

          Any
  party may, by written notice so delivered to the other, change the address to
  which delivery shall thereafter be made.

          12.04.
  Indemnity. The Seller and the Buyer, jointly and severally, agree to indemnify
  and hold harmless each of the current and former officers and directors of Seller
  (each an “Indemnitee”) from and against:

(a) any and all costs, charges,
expenses, fees, damages or liabilities, regardless of when they arose and
howsoever arising and whether arising in law or in equity or under statute,
regulation or governmental ordinance of any jurisdiction, common law or
otherwise (including legal or other professional fees), and whether incurred
alone or jointly with others, which the Indemnitee may suffer, sustain, incur or
be required to pay arising out of, in connection with or incidental to any
action, suit, demand, proceeding, investigation or claim which may be brought,
commenced, made, prosecuted or threatened against the Indemnitee (any of the
same hereinafter being referred to as a "Claim") for or in respect of any
act, deed, matter or thing done, made, permitted or in respect of any omission
to do, make or permit any act, deed, matter or thing whatsoever required or
desirable to do, make or permit, by the Indemnitee arising out of, in connection
with or incidental to the management, operations, activities or affairs of the
Seller or the exercise by the Indemnitee of his powers or the performance of his
duties as an officer or director of the Seller, unless sustained or incurred by
reason of his gross negligence or intentional misconduct; and

(b) any and all costs, charges,
expenses, fees, damages or liabilities which the Indemnitee may suffer, sustain
or incur or be required to pay in connection with investigating, initiating,
defending, preparing for, providing evidence in, instructing and receiving the
advice of his own or other counsel, or any amount paid to satisfy any judgment
made, fine imposed, damages or costs or any amount paid or liability incurred by
the Indemnitee to settle any Claim, or any amount of tax assessed against the
Indemnitee in respect of any indemnity under this Agreement.

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          12.05.
  Governing Law. THIS AGREEMENT SHALL BE GOVERNED, CONSTRUED
  AND ENFORCED IN ACCORDANCE WITH THE LAWS OF THE STATE OF TEXAS.

          12.06.
  Exhibits. All Exhibits and Schedules attached to this
  Agreement, and the terms of those Exhibits and Schedules which are referred
  to in this Agreement, are made a part hereof and incorporated herein by reference.

          12.07
  Binding Effect; Assignment. This Agreement shall be binding upon and
  inure to the benefit of the parties and their respective successors and permitted
  assigns. Nothing in this Agreement shall create or be deemed to create any third
  party beneficiary rights in any person or entity not a party to this Agreement
  except as provided below. No assignment of this Agreement or of any rights or
  obligations hereunder may be made by either the Seller or the Purchaser (by
  operation of law or otherwise) without the prior written consent of the other
  parties hereto and any attempted assignment without the required consents shall
  be void.

          12.08
  Counterparts; Facsimile Signature. This Agreement may be executed in
  counterparts, each of which shall be deemed an original and all of which together
  shall constitute one and the same agreement. Each of the parties to this Agreement
  agrees that a signature affixed to a counterpart of this Agreement and delivered
  by facsimile by any person is intended to be its, his or her signature and shall
  be valid, binding and enforceable against such person.

[Intentionally Blank]

8

IN WITNESS WHEREOF, the Parties have executed this
Agreement as of the date first above written.

SELLER: TERAX ENERGY INC

	By: 	/s/ Lawrence J. Finn                                                           
	  	Name: Lawrence J. Finn 
	  	Title: President & CEO 

PURCHASER: WESTAR OIL INC

	By: 	/s/ Mark nderson                                                              
	  	Name: Mark Anderson 
	  	Title: President 

9Filed by Automated Filing Services Inc. (604) 609-0244 - Nord Resources Corp. - Exhibit 10.1

AMENDMENT TO AMENDED AND RESTATED CONVERTIBLE

PROMISSORY NOTE DATED FOR REFERENCE AUGUST 19, 2004

(the “Amended and Restated Convertible Note”)

Effective as of April 30, 2007, the Amended and Restated
Convertible Note dated August 14, 2006, as amended by an amending agreement
dated February 23, 2007, in the principal amount of Sixty-Six Thousand Dollars
($66,000), between Nord Resources Corporation (the “Company”) and Stephen D.
Seymour (the “Holder”) shall be amended as follows:

Section 1 shall be deleted in its entirety and replaced with
the following:

“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) 	
      July 12, 2007; 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
	 	 	 	 
			(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,”

This Amendment 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 April 30, 2007.

AGREED TO AND ACCEPTED:

	COMPANY: 	 	HOLDER: 
	 	 	 	 
	NORD RESOURCES CORPORATION 	 	STEPHEN D. SEYMOUR 
	 	 	 
	By: 	/s/ John
      Perry 	 	By: 	 /s/ Stephen Seymour 
	 	 	 
	Name: 	John Perry 	 	Name: 	Stephen D. Seymour 
	 	 	 	 	 
	Title: 	CFO 	 	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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