Mansfield Minerals Inc.
TSX VENTURE : MDR

Mansfield Minerals Inc.

September 10, 2007 08:30 ET

Mansfield Minerals Inc.: Lindero Continues to Deliver

VANCOUVER, BRITISH COLUMBIA--(Marketwire - Sept. 10, 2007) - Mansfield Minerals Inc. (TSX VENTURE:MDR) -

Mansfield Minerals Inc. (the "Company") announces that the most recent group of drill holes was successful in expanding the Company's 100% owned Lindero gold deposit located in Salta Province, northwestern Argentina. The drill campaign has been expanded to 30,000 metres with 9,500 metres remaining to be drilled in the delineation phase. Pre-feasibility work is on schedule with geologic model and geotechnical studies required for pit design well underway. In addition, the Company has undertaken a High Pressure Roll Grind test supervised by American Au-Ag Associates in conjunction with Polysius Ag in Germany, and will also be running comparative leach column testing to see if further improvements in recovery can be achieved.



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Lindero Project, Northwestern Argentina
Drilling Results
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Drill Hole Gold
Number Interval Length (g/t) Comments
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LDH-79 152-286 m 134 m 0.71
incl. 234-266 m 32 m 0.94
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LDH-80 No significant value(i)
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LDH-81 36-184 m 148 m 0.85 Extends mineralization
incl. 94-184 m 90 m 1.03 into an area previously
thought to be barren
post mineral intrusive.
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LDH-82 No significant value(i)
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LDH-83 112-164 m 52 m 0.80
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LDH-84 34-174 m 140 m 0.90 Upgrades the southwest
incl. 60-144 m 84 m 1.10 corner of the Eastern
incl. 60-86 m 26 m 1.35 body.
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LDH-85 120-186 m 66 m 0.95 Expands the Northwest
incl. 138-164 m 26 m 1.39 body towards the
central post mineral
intrusive.
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LDH-86 226-452 m 226 m 0.85 Mineralized embayment
incl. 306-430 m 124 m 1.01 into barren central
post mineral intrusive.
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(i)Holes LDH-80 and LDH-82 probed the outer edges of the system and
returned only low grade values.


A map of the drill hole locations has been posted on the Company's website and can be viewed at www.mansfieldminerals.com/s/Lindero.asp.

About Mansfield Minerals Inc.

Mansfield is a mining exploration company which has focused its activities in northwestern Argentina since August 1994. The Company's current significant properties and projects consist of mineral rights covering approximately 175 square miles in three Argentine provinces and one Canadian province. The Company is currently focused on two primary projects which include Lindero (gold) and Rio Grande (copper-gold).

On behalf of the Board of Directors,

John M. Leask, P.Eng., Director

The TSX Venture Exchange does not accept responsibility for the adequacy or accuracy of this release.

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