6-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934

For the month of May 2010

Commission File Number 001-32748

CORRIENTE RESOURCES INC.

(Translation of registrant's name into English)

520 - 800 West Pender Street, Vancouver, British Columbia, CANADA V6C 2V6

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

Form 20-F _____             Form 40-F     X     

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): ____

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): ____

Indicate by check mark whether by furnishing the information contained in this Form, the registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes _____             No     X       

If "Yes" is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-___________

DOCUMENTS INCLUDED AS PART OF THIS REPORT

Document
99.1	CRCC-Tongguan Investment (Canada) Co., Ltd. Acquires Approximately 96.9% of Corriente Resources Inc.

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, thereunto duly authorized.

	CORRIENTE RESOURCES INC.
	(Registrant)
Date: May 31, 2010
By:	/s/ DARRYL F. JONES
	Name: Darryl F. Jones
	Title:   Chief Financial Officer

EX-99.1

Exhibit 99.1

For Immediate Release	May 31, 2010
TSX: CTQ
NYSE AMEX: ETQ

CRCC-TONGGUAN INVESTMENT (CANADA) CO., LTD. ACQUIRES
APPROXIMATELY 96.9% OF CORRIENTE RESOURCES INC.

VANCOUVER, BRITISH COLUMBIA, May 31, 2010 – CRCC-Tongguan Investment (Canada) Co., Ltd., (the "Offeror") and Corriente Resources Inc.("Corriente") jointly announce that all of the terms and conditions to the Offeror's offer to purchase (the "Offer") all of the issued and outstanding common shares of Corriente at a price of Cdn.$8.60 in cash per common share have been satisfied prior to the expiry of the Offer at 5:00 p.m. (Vancouver time) on May 28, 2010. 76,478,495 common shares of Corriente have been validly deposited under the Offer and the Offeror has taken up and accepted for payment all of these common shares, which represent approximately 96.9% of the common shares of Corriente on a fully-diluted basis.

The Offeror is a wholly-owned direct subsidiary of CRCC-Tongguan Investment Co., Ltd. which is in turn a jointly-owned direct subsidiary of Tongling Nonferrous Metals Group Holdings Co., Ltd. and China Railway Construction Corporation Limited.

THIS NEWS RELEASE IS FOR INFORMATIONAL PURPOSES ONLY AND IS NOT AN OFFER TO BUY OR THE SOLICITATION OF AN OFFER TO SELL ANY SECURITIES.

“Kenneth R Shannon”

Kenneth R Shannon

Chief Executive Officer

Corriente shareholders with questions or requests for a copy of the early warning report to be filed by the Offeror in connection herewith should contact:

Georgeson Shareholder Communications Canada, Inc.,
Information Agent for the Offer,
North American Toll Free Number: 1-866-374-0472
Banks and Brokers Collect Number: 1-212-806-6859
Email: gsproxygroup@gscorp.com

520 – 800 West Pender Street, Vancouver, B.C. V6C 2V6

T (604) 687-0449 F (604) 687-0827 Email copper@corriente.com