Mansfield Drills 198m @ 1.2 g/t Gold at Lindero, Argentina

Mansfield Minerals Inc. (TSX VENTURE: MDR) -

Mansfield Minerals Inc. (the "Company") has completed 5,400 metres of the previously announced 15,000 metre drill campaign on its 100% owned Lindero gold deposit, northwestern Argentina. Drilling is continuing to expand the footprint of mineralization at Lindero, with grades and thickness commensurate with what management expects for this type of deposit.


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                                   Interval           Total Hole
Hole No.        From          To         (m)   Au g/t   Depth (m)
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LDH-22        258.00      360.00     102.00      0.94     367.84
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LDH-23          2.13      161.65     159.52      0.80     161.65
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 includes       2.13      106.00     103.87      0.96
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LDH-24         72.00      176.00     104.00      0.76     201.30
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LDH-25          3.05      131.00     127.95      0.88     363.25
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 includes       3.05       65.00      61.95      1.20
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 and          165.00      251.00      86.00      0.59
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LDH-26             0       76.00      76.00      0.50     256.50
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LDH-27        NSV, outside deposit
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LDH-28         82.00      310.00     228.00      0.70     373.62
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 includes      82.00      214.00     132.00      0.79
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 includes      82.00      174.00      92.00      0.94
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LDH-29         70.00      126.00      56.00      0.64     402.00
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 and          198.00      334.00     136.00      0.68
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 includes     198.00      278.00      80.00      0.73
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LDH-30        168.00      210.00      42.00      0.86     380.94
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 and          330.00      360.00      30.00      0.73
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LDH-31          1.81      126.00     124.19      0.58     397.72
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 includes      50.00       76.00      26.00      0.94
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 and          184.00      258.00      74.00      0.52
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 and          324.00      362.00      38.00      0.63
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LDH-32         30.00       90.00      60.00      0.60     282.13
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 includes      30.00       56.00      26.00      0.82
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LDH-33         52.00       96.00      44.00      0.66     265.35
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 includes      84.00       94.00      10.00      1.45
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 and          206.00      262.00      56.00      0.45
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LDH-34          1.83       70.00      68.17      0.61     355.93
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 includes       1.83       28.00      26.17      1.08
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 and          178.00      210.00      32.00      0.55
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 and          232.00      256.00      24.00      0.71
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 and          284.00      354.00      70.00      0.48
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LDH-35          1.83       64.00      62.17      0.72     380.64
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 includes       6.00       38.00      32.00      0.93
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 and          202.00      286.00      84.00      0.76
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 includes     224.00      282.00      58.00      0.91
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LDH-36          1.83      300.42     298.59      0.95     300.42
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 includes       1.83      200.00     198.17      1.20
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LDH-37        NSV, outside deposit
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LDH-38         36.00      312.00     276.00      0.82     315.17
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 includes      36.00      180.00     144.00      0.98
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 includes      94.00      162.00      68.00      1.38
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 and          288.00      312.00      24.00      1.32
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- NSV - no significant values

Drilling

One drill rig is currently operating on the property and an additional rig is being prepared and should be available within the next few weeks. An additional 5,400 metres has been added to the program to evaluate a new zone of mineralization discovered in the northwest sector of the property. Trenching results from this new area have returned values of 0.98 g/t over 22 metres. As that has been the nature of the currently known mineralization, management believes there is a high probability for the zone to expand with depth. This new zone has a strike extent of at least 300 metres. See map at www.mansfieldminerals.com.

Metallurgy

An additional 2,500 kg of samples, representing 9 specific domains of the deposit, were collected and sent to Kappes Cassidy's testing facility in Reno, Nevada. The objective of this portion of the campaign is to establish the leach characteristics of various grades of mineralization present within the deposit. It is expected that following this analytical work, an accurate cut-off grade will be established thereby allowing for an upgraded resource calculation. The samples are currently undergoing 100-day leach column testing.

Going Forward

The Company will deliver the current drill data to an independent engineering firm. This data will be combined with previously announced results and will be used to tailor the drill definition program. Management anticipates the completion of the 20,000 metres program to be late February 2007 providing no unforeseen difficulties are encountered. The Company has initiated an environmental baseline study necessary for the implementation of a full scale mining operation.

Gordon Leask comments, "We are very pleased that the Lindero deposit continues to grow and maintain its level of grade continuity. The results received to date are continuing to support management's expectations that Lindero will become northern Argentina's first heap leach gold mine."

The Company will hold a webcast today at 11:00 am (PST) / 2:00 pm (EST) to allow securities analysts and shareholders the opportunity to hear management discuss the Lindero drill results. Anyone wishing to call in to ask questions or participate by telephone can call North America toll-free 1-866-585-6398 and international 1-416-849-9626. The call is being webcast by Vcall and you can access the webcast at www.InvestorCalendar.com. The webcast will be available for replay on the Company's website.

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 260 square miles in three Argentine provinces and one Canadian province. The Company is currently focused on three primary projects which include Lindero (gold), Rio Grande (copper-gold) and La Frontera (silver-gold).

On behalf of the Board of Directors,

Gordon P. Leask, P.Eng., President



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


Contacts:
Mansfield Minerals Inc.
Kareen McKinnon
(604) 681-4462
(604) 681-0180 (FAX)
Email: info@mansfieldminerals.com
Website: www.mansfieldminerals.com

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