6-K 1 riotinto6k.htm

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 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 January 2017

Commission file number: 001-10533 | Commission file number: 001-34121
Rio Tinto plc | Rio Tinto Limited
| ABN 96 004 458 404
(Translation of registrant’s name into English) | (Translation of registrant’s name into English)
6 St James’s Square | Level 33, 120 Collins Street
London, SW1Y 4AD, United Kingdom | Melbourne, Victoria 3000, Australia
(Address of principal executive offices) | (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 _X_ Form 40-F ___

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- ________

EXHIBITS

99.1 | 24 January 2017 | ### Increase to Mount Thorley Warkworth Mineral Resources

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned, thereunto duly authorised.

Rio Tinto plc | # Rio Tinto Limited
(Registrant) | (Registrant)
By /s/ Steve Allen | By /s/ Steve Allen
Name Steve Allen | Name Steve Allen
Title Company Secretary | Title Joint Company Secretary
Date 1 February 2017 | February 2017