UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No. 1)
Petaquilla Minerals Ltd.
(Name of Issuer)
Common Shares, Without Par Value
(Title of Class of Securities)
716013107
(CUSIP Number)
December 31, 2011
(Date of Event Which Requires Filing of this Statement)
Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
[_] Rule 13d-1(b)
[X] Rule 13d-1(c)
[_] Rule 13d-1(d)
The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).
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CUSIP No 716013107
1. NAME OF REPORTING PERSONS
I.R.S. IDENTIFICATION NOS. OF ABOVE PERSONS (ENTITIES ONLY)
Libra Advisors, LLC
2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a) [_]
(b) [X]
3. SEC USE ONLY
4. CITIZENSHIP OR PLACE OF ORGANIZATION
New York
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH
5. SOLE VOTING POWER
0
6. SHARED VOTING POWER
8,240,902
7. SOLE DISPOSITIVE POWER
0
8. SHARED DISPOSITIVE POWER
8,240,902
9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
8,240,902
10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9)
EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS) [_]
11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
3.7%
12. TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
OO
AI
