Gold Veins Near Great Falls, Maryland
Description:
From abstract: Small deposits of native gold are present along an anastomosing system of quartz veins and shear zones just east of Great Falls, Montgomery County, Md. The deposits were discovered in 1861 and were worked sporadically until 1951, yielding more than 5,000 ounces of gold. The vein system and the principal veins within it strike a few degrees west of
north, at an appreciable angle to foliation and fold axial planes in enclosing rocks of the Wissahickon Formation of late Precambrian …
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Date:
1969
Creator:
Reed, John Calvin, Jr. & Reed, John Calvin
Partner:
UNT Libraries Government Documents Department