WebThe Poorman Formation is a sericite-biotite phyllite and averages 1,500m of thickness (Caddey et al. 1991). The Homestake Formation is a Gruerite-siderite schist and iron … WebThe kISMET site was established in the West Access Drift of SURF 4850 ft (1478 m) below ground (on the 4850L) in phyllite of the Precambrian Poorman Formation. We drilled and cored five near-vertical boreholes in a line on 3 m spacing, deviating the two outermost boreholes slightly to create a five-spot pattern around the test borehole centered in the …
A Preliminary Report on the Geology and Gold Deposits of the …
WebNov 1, 2016 · Imaging of marcasite in the shales of the upper Poorman Formation demonstrates this mineral’s high abundance of W and Tl relative to all generations of … WebPoorman Formation; Latitude & Longitude N44°08'60" - N44°36'00", W104°04'00" - W103°27'00" Abstract ISSN: 0361-0128. EISSN: 1554-0774. Coden: ECGLAL. Serial Title: … literal bohemian rhapsody
Synsedimentary, diagenetic, and metamorphic pyrite, pyrrhotite, …
WebApr 9, 2024 · Poorman Formation also contains small amounts of molybdenum, zirconium, iridium, and yttrium. We targeted iron-rich minerals on rock surfaces for high resolution … WebFeb 4, 2024 · Horizontal boreholes are placed in phyllite of the Precambrian Poorman Formation at SURF, located at the former Homestake Gold Mine in Lead, SD. Compared to the Grimsel experiments, the budget of this US project is increased again by about a factor of 10 (Table 1). This documents the effort and needs to control and “mine” geothermal heat. WebNamed from exposed section at junction of Poorman and Deadwood gulches along railroad track, Homestake Mine area, Lead district, Lawrence Co., southwestern SD (Hosted and … importance of external financing requirements