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Projects
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Heidi Property
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Project Highlights
Similarities to Mike Lake and Scheelite Dome
Mineralization has strong similarities to occurrences such as Mike Lake and Scheelite Dome, where the gold mineralization occurs as vein and replacement bodies within the metasedimentary rocks associated with intrusions of the Tombstone plutonic suite.
Exploration Potential
In 2007, a helicopter airborne magnetic survey indicated a large buried intrusion, 6 km in diameter. Across the northern portion of the intrusion is a variable higher grade magnetic signature which extends across a 1.5km zone.
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Location and Claim Ownership
The Heidi property is located 95 km northeast of Dawson City, Yukon and 30 km east of the Dempster Highway. The property consists of 219 claims covering approximately 4,074 hectares. Logan owns 100% of the property subject to a 2% NSR.
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click here to view
the location map
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Geology
Heidi lies within the prospective Tombstone Gold Belt in the Tintina Gold Province, a 200 km long belt of gold deposits directly associated with mid Cretaceous age intrusions of the Tombstone plutonic suite. A large Tombstone-type intrusion (6 km in diameter) has been identified. The mineralization is attributed to a buried intrusion interpreted from airborne magnetic data showing a large magnetic high underlying the northern portion of the property. Gold mineralization consists of silicified, arsenopyrite bearing medium to coarse grained siliclastic rocks. The coarse grained rocks occur within a package of siltstone assigned to the Highland group. The mineralization is attributed to the buried intrusion.
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Past Exploration
2003: Acquisition by Logan who funded a geophysical program consisting of magnetic, IP and HLEM across an area of coincident gold and arsenic soil geochemical anomalies.
2004: A due diligence site examination was completed by Logan. Sampling confirmed the previous trench results and grab samples assayed up to 19.9 g/t gold.
2005: Review of 2003 geophysics data by a geophysical consultant and property evaluation by an independent geologist.
2006: Two diamond drill holes totaling 425 m (1,394 feet) confirmed the continuity of gold bearing pyrite-arsenopyrite vein-breccia horizons up to 10m in width. Results include 2.09 g/t Au over 4m (15-19m) and confirm historical surface trench results which returned values of 1 to 7 g/t Au over 1m chip intervals.
2007: An additional 19 diamond drill holes totaling 2,686 m (8,812 feet) were completed testing coincident IP, magnetic and gold geochemical anomalies. Results included 1.51 g/t Au and 14.3 g/t Ag over 3 m in HDI 07-07. The combined 2006 and 2007 drilling intersected gold-silver mineralization in 16 of 21 holes covering a 1 km strike extent, with anomalous arsenic (As), antimony (Sb), and bismuth (Bi). In late 2007, a helicopter airborne magnetic survey indicated a large buried intrusion, 6 km in diameter. Across the northern portion of the intrusion a variable higher grade magnetic signature extends across a 1.5km zone.
2008: Reconnaissance MMI soil sampling totaling 629 samples delineated significant anomalies including Au-Ag.
Adrian Bray, P.Geo., is a Director of Logan and a Qualified Person as defined by National Instrument 43-101 for the above mentioned project. The QP is a member in good standing of the Association of Professional Engineers and Geoscientists of British Columbia (APEGBC) as a registered Professional Geoscientist (P.Geo.). Mr. Bray has reviewed and is responsible for the technical information disclosed above.
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