Gwen Preston

Gwen Preston is the Resource Maven. Her independent letter chronicles her thoughts, buys, and sells in the world of mineral exploration, development, and mining. Gwen has a strong network of contacts, almost 15 years of site visits and due diligence under her belt, a solid grasp of macroeconomics and how they shape metals price moves, and a track record of finding opportunity and managing risk in the metals and mining sector. Click HERE to sign up for a free trial subscription.
Recent Quotes
"BWCG will drill a very nice target in Alaska this summer."
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Gwen Preston, The Maven Letter
(3/22/23)
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"OCG outlined 60 km of mapped and Inferred vein zones at Santa Ana."
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Gwen Preston, The Maven Letter
(2/3/23)
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"TLG is off to a great start with these Gap zone numbers."
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Gwen Preston, The Maven Letter
(6/29/22)
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"The system at Testard proved to be much larger than TLG thought."
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Gwen Preston, The Maven Letter
(4/6/22)
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"LBC is now officially embarking on a 5,000m drill program on Mocoa."
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Gwen Preston, The Maven Letter
(2/18/22)
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"With ZACA now trading, it's time to buy some in the market."
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Gwen Preston, The Maven Letter
(2/18/22)
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"TLG's PFS will outline a bigger mine with much stronger economics."
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Gwen Preston, The Maven Letter
(2/9/22)
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"HSTR's drill work at Cumaro is getting underway soon."
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Gwen Preston, The Maven Letter
(11/24/21)
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"OCG's Santa Ana keeps delivering."
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Gwen Preston, The Maven Letter
(11/24/21)
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"Results from OCG's Santa Ana included 23 g/t gold and 1,473 g/t silver."
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Gwen Preston, The Maven Letter
(10/27/21)
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"HSTR brought in three promising Mexican projects."
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Gwen Preston, The Maven Letter
(10/14/21)
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"TLG's latest J zone assays returned 14.7 g/t Au eq over 1m."
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Gwen Preston, The Maven Letter
(9/22/21)
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"Aquila at HSTR's Unga cut 1.5m of 9.9 g/t and 1.5m of 5.6 g/t Au."
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Gwen Preston, The Maven Letter
(9/11/21)
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"Samples from OCG's El Dorado graded up to 3,086 g/t Ag eq."
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Gwen Preston, The Maven Letter
(9/11/21)
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"New HSTR management is advancing Unga with focus and funding."
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Gwen Preston, The Maven Letter
(9/2/21)
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"TLG's prefeasibility study will be much better than the PEA."
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Gwen Preston, The Maven Letter
(8/25/21)
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"OCG's work on Espiritu Santo encountered Ag grades up to 5,242 g/t."
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Gwen Preston, The Maven Letter
(7/21/21)
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"TLG continues to flesh out the new parallel zone west of the J zone."
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Gwen Preston, The Maven Letter
(7/7/21)
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"OCG's San Antonio hole 139 hit 0.81m of 10.7 g/t Au and 1,394 g/t Ag."
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Gwen Preston, The Maven Letter
(7/7/21)
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"NRG's Skarn zone area returned a 3 g/t Au and 0.115% Cu sample."
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Gwen Preston, The Maven Letter
(6/23/21)
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"Drilling encountered another high grade shoot at OCG's Santa Ana."
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Gwen Preston, The Maven Letter
(6/16/21)
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"TLG released more impressive assays from the J zone."
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Gwen Preston, The Maven Letter
(6/9/21)
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"Drilling on OCG's La Ivana target keeps generating bonanza grades."
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Gwen Preston, The Maven Letter
(6/9/21)
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