DATED 28th JANUARY 2000

                      SHARE SALE AGREEMENT
                      re Toucan Mining Plc

                      (1) AUTHORISZOR INC
                 (2) GOLDEN RIDGE GROUP LIMITED






                        Kingsley Napley
                        Knights Quarter

                        14 St John's Lane
                        London EC1M 4AJ
                        Tel: 0171 814 1200
                        Ref: 0151SJS.DPM



THIS AGREEMENT is made the 28th day of January 2000 BETWEEN:

(1)     AUTHORISZOR INC of Windsor House Cornwall Road Harrogate North Yorkshire
        HG1 2PN ("the Vendor"); and

(2)     GOLDEN RIDGE GROUP LIMITED (a company  registered in the British Virgin
        Islands) whose registered office is situate at the Tropic Isle Building
        PO Box 438 Road Town Tortola British Virgin Islands ("the Purchaser")

NOW THIS AGREEMENT WITNESSES as follows:

1       DEFINITIONS AND INTERPRETATION

1.1     In this agreement the following words and expressions have the following
        meanings:


"Coda"                                Coda Corporate Services Limited of PO Box
                                      204 4th Floor Celtic House Victoria Street
                                      Douglas Isle of Man IM99 1Q2

"Company"                             Toucan Mining Plc more particularly
                                      detailed in Schedule 1

"Mr. Jeffcock"                        Robert Parkyn Jeffcock of Apartment B42
                                      Roc Fleurl 1 Rue to Tenao MC98000 Monaco

"the Liabilities"                     the material unsecured trading liabilities
                                      of the Company as at the date of this
                                      Agreement more particularly detailed in
                                      Schedule 2

"Minmet"                              Minmet Plc a company incorporated in the
                                      Republic of Ireland Limited

"Minmet Shares"                       13,030,000 Ordinary Shares of IR 1p each
                                      in the capital of Minmet the legal and
                                      beneficial ownership of which is as set
                                      out in Part 1 of Schedule 3



"the Restriction"                     the contractual covenant given by the
                                      Vendor to Minmet restricting the  transfer
                                      or disposal of 13,000,000 of the Minmet
                                      Shares more particularly detailed in Part
                                      2 of Schedule 3

"Shares"                              the  647,857  issued Ordinary Shares of 10
                                      pence each of the Company which represents
                                      the whole of the issued share capital of
                                      the Company

"Warranties"                          the warranties by the Vendors in Clause 5

"the ZuZu Agreement"                  the Agreement of June 1999 made between
                                      ZuZu (as therein defined)(1) the Vendor
                                      (2) and the Company (3) a copy of which
                                      agreement is attached hereto by way of
                                      disclosure

1.2      Clause headings in this Agreement are for ease of reference only and do
         not affect the construction of any provision

2        AGREEMENT FOR SALE

         Subject to the terms and  conditions of this Agreement the Vendor shall
         sell with full title  guarantee  and the Purchaser  shall  purchase the
         Shares, with all rights attaching to them and with effect from the date
         of this Agreement;

3        PURCHASE CONSIDERATION

         The purchase consideration for the Shares shall be the sum of
         (pound)500,000

4        COMPLETION

4.1      Completion of the sale and purchase of the Shares shall take place at
         the offices of the Vendor's solicitors immediately after the signing of
         this Agreement

4.2      The Vendor shall deliver to the Purchaser:

         4.2.1    duly completed and signed  transfer in favour of the Purchaser
                  or as it may direct of the Shares together with relative share
                  certificates;

         4.2.2    the resignation of Mr. Jeffcock as a director from his
                  respective office as director of the Company;

4.3      There shall be delivered or made available to the Purchaser:



         4.3.1    the seal and certificate of incorporation of the Company;

         4.3.2    the statutory books of the Company;

         4.3.3    the share certificates in respect of the Minmet Shares

4.4      A Board Meeting of the Company shall be held at which:

         4.4.1    such persons as the Purchaser may nominate shall be appointed
                  additional directors;

         4.4.2    the transfer referred to in Clause 4.2.1 shall be approved
                  (subject to stamping); and

         4.4.3    the resignation referred to in Clause 4.2.2 shall be submitted
                  and accepted

4.5      Upon  completion  of the  matters  referred to in Clause 4.2 to 4.4 the
         Purchaser shall pay to the Vendor's solicitors by telegraphic  transfer
         the purchase consideration for the Shares

5        WARRANTIES BY THE VENDOR

5.1      The Vendor warrants and represents to the Purchaser that:

         5.1.1    the Vendor is the absolute and beneficial owner of the Shares
                  which are free of any encumbrance lien or charge;

         5.1.2    save for the Liabilities the Company has no material
                  liabilities as at the date of this Agreement;

         5.1.3    the Company is not subject of, engaged in, or party to any
                  litigation or court proceedings;

         5.1.4    save for the holding of the Minmet  Shares and the carrying on
                  of its gold exploration  operations pursuant to its rights and
                  obligations  under  the  ZuZu  Agreement  the  Company  is not
                  engaged in any other business;

         5.1.5    the legal  and  beneficial  interests  of  the  Vendor and the
                  Company in the Minmet Shares is as stated in Schedule 3

6        THE RESTRICTION

6.1      The Purchaser agrees and undertakes to the Vendor:



         6.1.1    to abide by and honour both the terms and spirit of the
                  Restriction;

         6.1.2    to indemnify and keep  indemnified  the Vendor against all and
                  any  liability  the  Vendor may incur or suffer by reason of a
                  breach of the  Restriction  occasioned by the Purchaser  after
                  the date of this Agreement

7        COMMUNICATIONS

7.1      All  communications  between the parties with respect to this Agreement
         shall  be  delivered  by hand or  sent  by post to the  address  of the
         addressee as set out in this  Agreement or to such other address as the
         addressee  may from time to time have  notified for the purpose of this
         clause

7.2      In proving service by post is shall only be necessary to prove that the
         communication was contained in an envelope which was duly addressed and
         posted in accordance with this clause

8        GOVERNING LAW

         The parties agree that this Agreement  shall be governed by English Law
         and that any dispute  arising in relation to the subject  matter or its
         terms shall be subject to the non-exclusive jurisdiction of the English
         Courts



                             SCHEDULE 1

                       Details of the Company

Place of incorporation:             Isle of Man

Share capital:

         Authorised                 10,000,000 ordinary shares of 10 pence each

         Issued                     647,857 ordinary shares of 10 pence each

Directors:                          Francis C. Howard
                                    Robert P. Jeffcock
                                    Adrian E. D. Lerenthorpe



                            SCHEDULE 2

                         The Liabilities

1.       Obligation under the ZuZu Agreement in certain circumstances to acquire
         six mining claims at an aggregate cost of up to US$120,000

2.       The cost of establishing a Brazilian mining company to acquire the
         claims referred to in paragraph 1 above

3.       Fees for professional services of Coda

4.       Fees for provision of administrative, legal and accountancy advice

5.       Professional fees of US attorneys at law up to US$10,000



                           SCHEDULE 3

                             Part 1

           Minmet Shares - legal and beneficial ownership

Name                         Legal Title                    Beneficial Ownership
- - - - ----                         -----------                    --------------------
the Vendor                   --                             5,000,000
the Company                  13,030,000                     8,030,000
                             13,030,000                     13,030,000


                             Part 2

                        The Restriction

The Vendor has  undertaken to Minmet not to transfer or otherwise  dispose of up
to 13,000,000 of the Minmet Shares prior to 6th January 2001 save with the prior
agreement  of Minmet by way of  placement  by the  brokers for the time being of
Minmet.  Minmet has undertaken to the Vendor to act reasonably in respect of any
request by the Vendor made prior to 6th January 2001 to act reasonably.



SIGNED by                                   )
Duly authorised for and on behalf of        )
AUTHORISZOR INC                             )




SIGNED by Mark Payne                        )
Duly authorised for and on behalf of        )        /s/ Mark Payne
GOLDEN RIDGE GROUP LIMITED                  )