Josephinite, a new nickel-iron

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Abstract
H~story.-Several m.ont~ls ago Pr~f.F. W. Ol.arke submitted to me for exammatlOn a qnantlty of magnetIc pebbles which were sent to this office by Mr. W m. H. Hampton of Portland, Oregon, and by subsequent corresponden:e with this gentleman he obtained a larger amount with full lIberty to publish the results anived at in the laboratory.In the spring of18Vl Mr. Hampton discovered these pebbles in large quantities in the placer gravel of a stream in Josephine and J ackson Counties~ Ol'egon, which border on the south of Douglas Co. where the nickel silicate* described by Prof. Clarke occurs.He analyzed with reference to nickel and iron au average sample of twenty pounds of the wash gravel from the placel' diggings, and found that the metallic portion gave GO'3 per ceut nickel and :36'7 per cent iron.From the natlll'e of the gangue or stony portion MI'.Hampton concluded that these waterWOl'll pebbles and bowlders-for some pieces weighed over one hundred pOllnds--" came from an eruptive dike somewhel'e ill the vicinity."The locality of this dike was not at that time ascertained.
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Authors W. H. Melville
Journal american journal of science
Year 1892
DOI
10.2475/ajs.s3-43.258.509
URL
https://doi.org/10.2475/ajs.s3-43.258.509
Keywords Keywords not found

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