MFN Minefinders Corp. Ltd. Ordinary Shares

CUSIP No. 602900102 Schedule 13G Page 2 of 5

1. Name of Reporting Persons.
 I.R.S. Identification Nos. of above persons (entities only).

 Mackenzie Financial Corporation

2. Check the Appropriate Box if a Member of a Group (a) [ ]
 (b) [x]
3. SEC Use Only

4. Citizenship or Place of Organization

 Toronto, Ontario, Canada

Number of Shares Beneficially Owned by Each Reporting Person With:

5. Sole Voting Power

 294,200 shares

6. Shared Voting Power

 NIL

7. Sole Dispositive Power

 294,200 shares

8. Shared Dispositive Power

 NIL

9. Aggregate Amount Beneficially Owned by Each Reporting Person

 294,200 shares

10. Check if the Aggregate Amount in Row (11) Excludes Certain Shares

 N/A

11. Percent of Class Represented by Amount in Row (9)

 0.36%

12. Type of Reporting Person (See Instructions)

 IA





Item 1. Schedule 13G Page 3 of 5

 (a) Name of Issuer

 Minefinders Corporation Ltd.

 (b) Address of Issuer's Principal Executive Offices

 Suite 2288
 1177 West Hastings Street
 Vancouver,BC V6E 2K3
 Canada

 (a) Name of Person Filing

 Mackenzie Financial Corporation

 (b) Address of Principal Business Office or, if none, Residence

 180 Queen Street West, Toronto, Ontario M5V 3K1

 (c) Citizenship

 Organized in Toronto, Ontario, Canada

 (d) Title of Class of Securities

 Common Shares

 (e) CUSIP Number

 602900102


Item 3. If this statement is filed pursuant to 240.13d-1(b) or
240.13d-2(b), or (c) check whether the person filing is a(n):

(a) [ ] Broker or dealer registered under section 15 of the
 Act (15 U.S.C.78o).
 (b) [ ] Bank as defined in section 3(a)(6) of the Act
(15 U.S.C. 78c).
(c) [ ] Insurance Company as defined in section 3(a)(19) of the
Act (15 U.S.C.78c).
(d) [ ] Investment Company registered under section 8 of the
Investment Company Act of 1940 (15 U.S.C. 80a-8).
 (e) [X] investment adviser in accordance with
240.13d-1(b)(1)(ii)(E);
(f) [ ] employee benefit plan or endowment fund in accordance
with 240.13d-1(b)(1)(ii)(F);
(g) [ ] parent holding company or control person in accordance
with 240.13d-1(b)(1)(ii)(G);
(h) [ ] savings associations as defined in Section 3(b) of the
Federal Deposit Insurance Act (12 U.S.C. 1813);













 Schedule 13G Page 4 of 5

(i) [ ] church plan that is excluded from the definition of an
investment company under section 3(c)(14) of the Investment Company Act
of 1940 (15 U.S.C. 80a-3);
(j) [ ] Group, in accordance with 240.13d-1(b)(1)(ii)(J).


Item 4. Ownership

Provide the following information regarding the aggregate number and
percentage of the class of securities of the issuer identified in Item 1.

 (a) Amount beneficially owned: 294,200

 (b) Percent of Class: 0.36%.

 (c) Number of shares as to which such person has:

(i) Sole power to vote or to direct the vote - 294,200
(ii)
 (ii) Shared power to vote or to direct the vote - NIL

(iii) Sole power to dispose or to direct the disposition of - 294,200

(iv) Shared power to dispose or to direct the disposition of - NIL


Item 5. Ownership of Five Percent or Less of a Class

 If this statement is being filed to report the fact that as of the
 date hereof the reporting person has ceased to be the beneficial owner
of more than five percent of the class of securities, check the
 following [x].


Item 6. Ownership of More than Five Percent on Behalf of Another Person

 N/A

Item 7. Identification and Classification of the Subsidiary Which
Acquired the Security Being Reported on By the Parent Holding Company

 N/A

Item 8. Identification and Classification of Members of the Group

 N/A

Item 9. Notice of Dissolution of Group

 N/A










 Schedule 13G Page 5 of 5

Item 10. Certification

(a) The following certification shall be included if the statement
 is filed pursuant to 240.13d-1(b):

By signing below I certify that, to the best of my knowledge and belief,
the securities referred to above were acquired in the ordinary course of
business and were not acquired and are not held for the purpose of or
 with the effect of changing or influencing the control of the issuer
of the securities and were not acquired and are not held in connection
with or as a participant in any transaction having that purpose or effect.

(b) The following certification shall be included if the statement
is filed pursuant to 240.13d-1(c):

By signing below I certify that, to the best of my knowledge and belief,
 the securities referred to above were not acquired and are not held for
the purpose of or with the effect of changing or influencing the control
of the issuer of the securities and were not acquired and are not held in
connection with or as a participant in any transaction having that purpose
 or effect.

 SIGNATURE

 After reasonable inquiry and to the best of my knowledge and belief,
I certify that the information set forth in this statement is true,
complete and correct.


February 14, 2012
 Date
"D. Lynn Vickers"


 Signature
 D. Lynn Vickers
Vice-President & Chief Compliance Officer

 Name/Title



 The original statement shall be signed by each person on whose
behalf the statement is filed or his authorized representative.
If the statement is signed on behalf of a person by his authorized
representative other than an executive officer or general partner of the
 filing person, evidence of the representative's authority to sign on
behalf of such person shall be filed with the statement, provided,
however, that a power of attorney for this purpose which is already
on file with the Commission may be incorporated by reference.
The name and any title of each person who signs the statement shall
be typed or printed beneath his signature.