Mindat Logo

Moss Mine, Moss vein, Oatman, San Francisco District, Oatman District (San Francisco District; Union Pass District), Black Mts, Mohave Co., Arizona, USA

Latitude: 35°5'58"N
Longitude: 114°26'48"W
‡Ref.: The Resources of Arizona - A Manual of Reliable Information Concerning the Territory, compiled by Patrick Hamilton (1881), Scottsdale, AZ: 70; The History of Arizona, Chap. X: 74; Schrader, F.C. (1909), Mineral deposits of the Cerbat Range, Black Mountains, and the Grand Wash Cliffs, Mohave County, Arizona: USGS Bull. 397: 170-172, 43; Wilson, E.D., et al (1934), AZ Bur. of Mines Bull. 137: 94; Ransome, F.L. (1923), Geology of the Oatman Gold District, Arizona, USGS Bull. 743: Plate 1, 33, 46-48; USGS 7.5 minute Oatman topo. map; AZ Dept. Min. Resources (ADMR) Householder map; Bur. Land Mgmt. District map; AZ Dept. Min. Resources (ADMR) Mohave card file; MRDS files #10027926 & 10283880; Galbraith, F.W. (1947), AZ Bur. of Mines Bull. 153, Minerals of AZ: 24; Galbraith, F.W. & Brennan (1959), Minerals of AZ: 84.

A former underground gold mine located in south-central sec. 19, T.20N., R.20W., 7 miles NW of Oatman and 2 miles North of Silver Creek in the old San Francisco District. This was the leading mine of the district.

Mineralization is an immense gold ledge, nearly 40 feet wide. The vein strikes N.78ºW. and dips 70ºS. It occurs in the Moss Quartz Monzonite-porphyry. The lode is from 20 to more than 100 feet wide at the West end. It is traceable for more than 1 mile on the surface. The vein filling consists of fine-grained white quartz asnd calcite with stringers of colorless to pale-green fluorite, The largest oreshoot consisted offree gold in iron-stained quartz but only to 65 feet deep.

Workings include shafts at 230 feet and 98 feet deep, respectively (1881), plus 1,700 feet of levels, drifts, etc.

Mineral List

var: Rose Quartz


11 entries listed. 10 valid minerals.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
This page is currently not sponsored. To sponsor this page click here.

Mineral and/or Locality  
Search Google  
Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
Current server date and time: December 22, 2014 10:39:11 Page generated: March 28, 2013 17:22:29
Mineral and Locality Search
and/or Locality:
Fade toolbar when not in focusFix toolbar to bottom of page
Hide Social Media Links
Slideshow frame delay seconds