The Willow Creek Gold Lode District Alaska

One of 130 reports in the series: Bulletin (Geological Survey (U.S.)) available on this site.

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Description

From abstract: The gold quartz veins of the Willow Creek district belong to the type of ore deposits that may be expected to continue downward for several thousand feet below the present surface. The veins occur in an essentially homogeneous quartz diorite intrusive mass, batholithic in form ; therefore, the composition of the wall rock plays practically no significant part in the distribution of gold within the veins. The veins were formed partly as fissure fillings and partly by replacement of the wall rock along fractures and of fragments of wall rock caught between the fracture walls. Structurally the deposits ... continued below

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[96] p. : ill., maps ; 23 cm.

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Ray, James C. 1933.

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Description

From abstract: The gold quartz veins of the Willow Creek district belong to the type of ore deposits that may be expected to continue downward for several thousand feet below the present surface. The veins occur in an essentially homogeneous quartz diorite intrusive mass, batholithic in form ; therefore, the composition of the wall rock plays practically no significant part in the distribution of gold within the veins. The veins were formed partly as fissure fillings and partly by replacement of the wall rock along fractures and of fragments of wall rock caught between the fracture walls. Structurally the deposits are essentially composite lodes, although quartz lenses of considerable size have also been formed.

Physical Description

[96] p. : ill., maps ; 23 cm.

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  • Investigations in Alaska Railroad Belt, 1931; pp. 165-229

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Technical Report Archive and Image Library

This selection of materials from the Technical Report Archive and Image Library (TRAIL) includes hard-to-find reports published by various government agencies. The technical publications contain reports, images, and technical descriptions of research performed for U.S. government agencies. Topics range from mining, desalination, and radiation to broader physics, biology, and chemistry studies. Some reports include maps, foldouts, blueprints, and other oversize materials.

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  • 1933

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  • March 15, 2017, 12:42 p.m.

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  • March 23, 2017, 9:21 a.m.

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Ray, James C. The Willow Creek Gold Lode District Alaska, report, 1933; Washington [D.C.]. (digital.library.unt.edu/ark:/67531/metadc304231/: accessed August 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.