FNX Mining Form 6K

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  April, 2004

Commission File Number 001-31704

FNX MINING COMPANY INC.
(Registrant's name)

55 University Avenue
Suite 700
Toronto, Ontario
M5J 2H7 Canada
(Address of principal executive offices)

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

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

No.               Document

    1                      News Release on first quarter 2004 operating results dated
                            April 21, 2004



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.

Date:    April 21, 2004

                                                                                                                                 FNX MINING COMPANY INC.

                                                                                                                                 By:     /s/ Dave Constable             
                                                                                                                                                  Dave Constable
                                                                                                                                                  Vice President