Exhibit 10.2.1
                                 HANS W. BIENER
                                SUPPLYCONSULT GbR
                                Karolinenplatz 5a
                             80333 Munchen, Germany

           Telephone: (+49) 178-7577784, Facsimile: (+49) 8091-561044
                          E-mail: hw.b@supplyconsult.de



                                                               September 6, 2005

Mr. Klaus Eckhof
Aurora Gold Corporation
30 Ledgar Road,
Balcatta, Western Australia
6021 Australia

Dear Mr. Eckhof,

Re:  Assignment  of  the  100  percent  interest in the Novo Porto Memorandum of
     Understanding and the Santa Clara Memorandum of Understanding held in trust
     for  Aurora  Gold  Corporation


This  letter will acknowledge that I, Hans W. Biener, on behalf of SupplyConsult
GbR, am holding in trust for the exclusive benefit of Aurora Gold Corporation, a
Delaware  corporation,  a  100  percent interest in the Novo Porto Memorandum of
Understanding  dated  September  5,  2005  and  the  Santa  Clara  Memorandum of
Understanding  dated  September  5,  2005.

The  Novo  Porto  Memorandum  of  Understanding covers two exploration licences.
Block  1  registered in the name of Alvaro da Silva Souza and Block 2 registered
in  the  name  of Galdino Antonino da Silva Luz are located in the region of the
Basin  of  Tocantins  River  and around some of its arms, Garimpo Novo Porto and
Fazenda  Agroextrativista  Mineral  Brilhante,  in the Municipality of Itaituba,
State  of  Para  and  are  covered  by  the  Processes  DNPM  numbers:

Block  1  consists  of  the  following  DNPMs  numbers:
DNPMs 852875/94-Area-08 to 852906/94-Area-39
DNPMs 852908/94-Area-41 to 852912/94-Area-45
DNPMs 852914/94-Area 47 to 852918/94-Area-51
DNPMs 852920/94-Area 53 to 852924/94-Area-57
DNPMs 852926/94-Area-59 to 852929/94-Area-63
DNPMs 852931/94-Area-65 to 852934/94-Area-68
DNPMs 852936/94-Area-71 to 852942/94-Area-81
DNPMs 852944/94-Area-83 to 852948/94-Area-87
DNPMs 852957/94-Area-89 to 852961/94-Area-93
DNPMs 852963/94-Area-95 to 852967/94-Area-99
DNPMs 852969/94-Area101 to 852973/94-Area-105
DNPMs 852975/94-Area-107 to 852979/94-Area-111


<PAGE>
DNPMs 852981/94-Area-113 to 852985/94-Area-117
DNPMs 852987/94-Area-119 to 852991/94-Area-123
DNPMs 852993/94-Area-125 to 852997/94-Area-129
DNPMs 852999/94-Area-131 to 853000/94-Area-132

Block 2 consists of the following DNPMs numbers:
DNPMs 852826/94-Area-01 to 852829/94-Area-04
DNPMs 852831/94-Area-06 to 852832/94-Area-07
DNPMs 852834/94-Area-09 to 852837/94-Area-12
DNPMs 852839/94-Area-14 to 852840/94-Area-15
DNPMs 852842/94-Area-17 to 852845/94-Area-20
DNPMs 852847/94-Area-22 to 852848/94-Area-23
DNPMs 852850/94-Area-25 to 852865/94-Area-40 and
Application for Survey Authorization DNPM No. 850566/2005-77

The  Santa  Clara  Memorandum  of Understanding covers two exploration licences.
Block  1  registered  in  the  name  of  Antonio  Garcia  Bernardes  and Block 2
registered  in  the  name  of  Galdino  Antonino da Silva Luz are located in the
region  of the Basin of Crepori River and around some of its arms. Garimpo Santa
Clara is located in the mineral bearing grounds of Marupa II and Surubim, in the
Municipality  of  Itaituba,  State of Para and are covered by the Processes DNPM
numbers:

Block  1  consists  of  the  following  DNPM  numbers:
DNPM  852718/94-Area-01
DNPM  852719/94-Area-03
DNPM  852720/94-Area-05
DNPM  852721/94-Area-07
DNPM  852722/94-Area-09
DNPM  852723/94-Area-12
DNPM  852724/94-Area-14
DNPM  852725/94-Area-16
DNPM  852726/94-Area-18
DNPM  852727/94-Area-20
DNPM  852728/94-Area-22
DNPM  852729/94-Area 24
DNPM  852730/94-Area-26
DNPM  852731/94-Area-28
DNPM  852732/94-Area-30
DNPM  852733/94-Area-32
ANPM  852734-94-Area-34
DNPM  852735/94-Area-36
DNPM  852736/94-Area-38

Block  2  consists  of  the  following  DNPM  numbers:
DNPM  852741/94-Area-02
DNPM  852742/94-Area-04
DNPM  852743/94-Area-06
DNPM  852744/94-Area-08
DNPM  852745/94-Area-10
DNPM  852746/94-Area-11
DNPM  852747/94-Area-13


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<PAGE>
DNPM  852748/94-Area-15
DNPM  852749/94-Area-17
DNPM  852750/94-Area-19
DNPM  852751/94-Area-21
DNPM  852752/94-Area-23
DNPM  852753/94-Area-25
DNPM  852754/94-Area-27
DNPM  852755/94-Area-29
DNPM  852756/94-Area-31
DNPM  852757/94-Area-33
DNPM  852758/94-Area-35
DNPM  852759/94-Area-37

I  irrevocably transfer the 100 percent interest in the Novo Porto Memorandum of
Understanding  and  the  Santa  Clara Memorandum of Understanding to Aurora Gold
Corporation  without  further  consideration.


Yours  truly,


/s/"Hans  W  Biener"
--------------------

SUPPLYCONSULT  GbR
Hans  W.  Biener


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