As filed with the Securities and Exchange Commission on December 9, 1994
Registration No. 33-48074
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
___________________________________
POST-EFFECTIVE AMENDMENT NO. 1
TO
FORM S-3
REGISTRATION STATEMENT UNDER
THE SECURITIES ACT OF 1933
____________________________________
MAGMA COPPER COMPANY
(Exact name of Registrant as specified in charter)
Delaware 86-0219794
(State or other jurisdiction (I.R.S. Employer
of incorporation or organization) Identification No.)
7400 North Oracle Road, Tucson, Arizona 85704
(Address of Principal Executive Office) (Zip Code)
____________________________________
Douglas J. Purdom
Vice President and Chief Financial Officer
Magma Copper Company
7400 North Oracle Road, Tucson, Arizona 85704
(Name and address of agent for service)
(602) 575-5600
(Telephone number, including area code, of agent for service)
With copy to:
Steven D. Pidgeon, Esq.
Snell & Wilmer
One Arizona Center
Phoenix, Arizona 85004
(602) 382-6252
Approximate Date of Commencement of Proposed Sale: As soon as practicable
after the Registration Statement becomes effective.
<PAGE>
Pursuant to a Registration Statement on Form S-3, Registration
No. 33-48074, effective June 25, 1992, Magma Copper Company (the
"Company") registered for sale from time to time debt securities
consisting of debentures, notes and/or other unsecured evidences of
indebtedness in one or more series at an aggregate initial offering
price not to exceed U.S. $75,000,000 (the "Shelf Registration").
This Post-Effective Amendment serves to deregister the $75,000,000
in debt securities subject to the Shelf Registration, none of which
have been, or will be, issued thereunder.
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933,
the Registrant has duly caused this Post-Effective Amendment No. 1
to this Registration Statement to be signed on its behalf by the
undersigned, thereunto duly authorized, in the City of Tucson, and
the State of Arizona, on December 9, 1994.
MAGMA COPPER COMPANY,
a Delaware corporation
By:/s/ Douglas J. Purdom
------------------------------------
Douglas J. Purdom
Vice President and Chief Financial
Officer (Principal Accounting and
Financial Officer)
<PAGE>
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, Magma Copper
Company certifies that it has reasonable grounds to believe that it meets all
of the requirements for filing on Form S-3 and has duly caused this Post-
Effective Amendment No. 1 to the Registration Statement on Form S-3 to be
signed on its behalf by the undersigned, thereunto duly authorized, in the
City of Tucson and State of Arizona on December 9, 1994.
MAGMA COPPER COMPANY,
a Delaware corporation
By: /s/ Douglas J. Purdom
________________________________
Douglas J. Purdom
Vice President and Chief
Financial Officer
Pursuant to the requirements of the Securities Act of 1933, this Post-
Effective Amendment No. 1 to the Registration Statement has been signed below
by the following persons in the capacities and on the date indicated.
Signature Title Date
--------- ----- ----
* Chairman of the Board and Director December 9, 1994
- - - ---------------------
Donald J. Donahue
*
- - - --------------------- President, Chief Executive Officer December 9, 1994
J. Burgess Winter Director (Principal Executive
Officer
/s/Douglas J. Purdom
- - - --------------------- Vice President and Chief Financial December 9, 1994
Douglas J. Purdom Officer (Principal Financial and
Accounting Officer)
* Director December 9, 1994
- - - ---------------------
Christopher W. Brody
* Director December 9, 1994
- - - ---------------------
Judd R. Cool
* Director December 9, 1994
- - - ---------------------
John W. Goth
* Director December 9, 1994
- - - ---------------------
John R. Kennedy
* Director December 9, 1994
- - - ---------------------
Thomas W. Rollins
<PAGE>
Signature Title Date
--------- ----- ----
* Director December 9, 1994
- - - ---------------------
Henry B. Sargent
* Director December 9, 1994
- - - ---------------------
Simon D. Strauss
* Director December 9, 1994
- - - ---------------------
H. Wilson Sundt
* Director December 9, 1994
- - - ---------------------
John L. Vogelstein
*By /s/Douglas J. Purdom
----------------------------
Douglas J. Purdom
Attorney-in-Fact
