~~Table~~ FORM ~~of Contents~~6-K

~~FORM~~UNITED ~~6-K~~ STATES

~~UNITED STATES~~ SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Private Issuer

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

For the period from ~~July 8~~September 14, 2005 to ~~August 15~~October 4, 2005

Commission File Number 000-26854

Metallica Resources Inc.

(Translation of registrant’s name into English)

36 Toronto Street, Suite ~~1000 Toronto,~~ ~~Ontario M5C 2C5 CANADA~~ 1000

~~(Address~~ Toronto, ofOntario ~~principal~~M5C ~~executive office)~~2C5 CANADA

~~Indicate by check mark whether the registrant files or will file annual reports under cover Form~~ ~~20-F~~(Address orof ~~Form~~principal ~~40-F.~~ executive office)

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

~~Indicate by check mark if the registrant is submitting the~~ Form 620-~~K in paper as permitted by~~F X ~~Regulation S~~ Form 40-TF ~~Rule 101(b)(1):~~ ______

~~Note:~~Indicate ~~Regulation S-T~~by ~~Rule 101(b)(1)~~check ~~only~~mark ~~permits~~if the ~~submission~~registrant inis ~~paper~~submitting ~~of a~~ the Form 6-K ifin ~~submitted solely~~paper toas ~~provide~~permitted anby ~~attached~~Regulation ~~annual~~S-T ~~report~~Rule to101(b)(1): ~~security~~____ ~~holders.~~

~~Indicate~~Note: byRegulation ~~check~~S-T ~~mark~~Rule if101(b)(1) only permits the submission ~~registrant~~in ispaper ~~submitting~~of ~~the~~a Form 6-K inif ~~paper~~submitted assolely ~~permitted~~to ~~by Regulation S-T~~provide ~~Rule 101(b)(7):~~ an attached annual report to security holders.

~~Note:~~Indicate ~~Regulation S-T~~by ~~Rule 101(b)(7)~~check ~~only~~mark ~~permits~~if the ~~submission~~registrant inis ~~paper~~submitting ~~of a~~ the Form 6-K ~~if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction~~ in ~~which~~paper ~~the~~as ~~registrant~~permitted isby ~~incorporated,~~Regulation ~~domiciled or~~S-T ~~legally~~Rule ~~organized~~ 101(~~the registrant’s “home country”~~b),(7): or____ ~~under the rules of the home country~~ ~~exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the~~

~~TABLE~~Note: OFRegulation ~~CONTENTS~~S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant's "home country"), or under the rules of the home country exchange on which the registrant's securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant's security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

~~Signatures~~Indicate ~~Press~~by ~~Release~~check ~~dated~~mark ~~August~~whether 8by furnishing the information contained in this Form, ~~2005~~the ~~Material~~registrant ~~Change~~is ~~Report~~also thereby ~~dated~~furnishing ~~August~~the 8,information ~~2005~~to ~~Press~~the ~~Release~~Commission ~~dated~~pursuant ~~August~~to ~~11,~~Rule ~~2005~~12g3-2(b) under the Securities Exchange Act of 1934.

~~Table~~Yes ~~of Contents~~ ______ No X

~~registrant’s~~If ~~security~~"Yes" ~~holders,~~is ~~and~~marked, ifindicate below ~~discussing~~the afile ~~material~~number ~~event,~~assigned ~~has~~to ~~already~~the ~~been~~registrant ~~the~~in ~~subject~~connection ofwith Rule a12g3-2(b): ~~Form 6~~82-K ~~submission~~________ ~~or other Commission filing on EDGAR.~~

~~Indicate~~Signatures 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~~Pursuant Noto Xthe 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.

IfMETALLICA ~~“Yes”~~RESOURCES isINC. ~~marked,~~By: ~~indicate~~/s/ ~~below~~Bradley ~~the~~J. ~~file~~Blacketor ~~number~~Name: ~~assigned~~Bradley toJ. ~~the~~Blacketor ~~registrant~~Title: inVice ~~connection~~President, ~~with Rule 12g3-2(b):~~Chief ~~82-~~ Financial Officer and Secretary

~~Signatures~~ Date: October 4, 2005

~~Pursuant~~The tofollowing ~~the~~exhibits ~~requirements~~are offiled ~~the~~under ~~Securities Exchange Act of 1934, the registrant has duly caused~~ this ~~report~~Form to6-K: ~~be signed on its behalf by the undersigned, thereunto duly authorized.~~

METALLICA RESOURCES INC. By: /s/ Bradley J. Blacketor Name: Bradley J. Blacketor Title: Vice President, Chief Financial Officer and Secretary

EXHIBIT A:	Press Release dated September 20, 2005
EXHIBIT B:	Press Release dated September 22, 2005
EXHIBIT C:	Material Change Report dated September 22, 2005
EXHIBIT D:	Material Change Report dated September 23, 2005

Date: August 15, 2005

The following exhibits are filed under this Form 6-K:

EXHIBIT A:		Press Release dated August 8, 2005
EXHIBIT B:		Material Change Report dated August 8, 2005
EXHIBIT C:		Press Release dated August 11, 2005

Filing Compare · METALLICA RESOURCES INC