WebNamed for exposures along Forty-mile Creek, tributary to Yukon River, east-central AK. Consists of intercalated marbles and quartzites with hornblendic, micaceous, garnetiferous, and sometimes graphitic schists. ... (1898) abandoned. Its rocks assigned in part to Precambrian Birch Creek schist and in part to the Paleozoic. Source: GNU records ... WebIn Alaska, these rocks were once collectively referred to as the Birch Creek Schist, after exposures on Birch Creek in the Circle mining district northeast of Fairbanks (Mertie, 1937). We have recognized and mapped four, structurally juxtaposed, metamorphic sequences in the study area. From oldest to youngest,

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WebLittle Moose Creek mostly flows through Birch Creek Schist (Bundtzen, 1981). In the headwaters of Little Moose Creek, across the divide from an unnamed north fork tributary of the North Fork of Canyon Creek, a half-mile- wide band of siliceous and graphitic schist of the Keevy Peak Formation is downfaulted into the Birch Creek Schist (Hawley and … WebThe Birch Creek schist, of "early pre-Cambrian age" (Mertie, 1937, p. 55) is the oldest … porterville college registered nursing

Artist-in-Residence Opportunity: BLM Eastern Alaska Wild and …

Webwhich have been traditionally mapped as Precambrian Birch Creek Schist. .Birch Creek Schist terrane, however, contains at least two sequences of metamorphic rocks which appear to be in thrust contact in the district. The older sequence Is exposed as a possible window in a belt that extends southwest from Cleary Creek on the north side of Pedro ... WebA former Au mine located in the S½ (estimated) sec. 23, T6S, R35E, MDM, 3.0 km (1.8 miles) S of Index Hill (coordinates of record), along the North Fork Birch Creek (1¾ miles S of Roberts Ranch, on the divide between Wyman Creek and Birch Creek), on National Forest wilderness land (Birch Creek Roadless Area Review & Evaluation (RARE II) Area). porterville california jobs