登录注册
主页关于 MindatMindat手册Mindat的历史版权Who We Are联系我们于 Mindat.org刊登广告
捐赠给 MindatCorporate Sponsorship赞助板页已赞助的板页在 Mindat刊登 广告的广告商于 Mindat.org刊登广告
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe Elements书籍及杂志
搜索矿物的性质搜索矿物的化学Advanced Locality Search随意显示任何一 种矿物Random Locality使用minID搜索邻近产地Search Articles搜索词汇表更多搜索选项
搜索:
矿物名称:
地区产地名称:
关键字:
 
Mindat手册添加新照片Rate Photos产区编辑报告Coordinate Completion Report添加词汇表项目
Mining Companies统计会员列表Mineral Museums矿物展及活动The Mindat目录表设备设置
照片搜索Photo Galleries今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集Mineral Photography

Helen Mine (Helen Mine group; Dead Broke Mine; American Mine), Castle Rock Springs, East Mayacmas District, Mayacmas Mts (Mayacamas Mts), Lake Co., California, USA

This page is currently not sponsored. Click here to sponsor this page.
 
Latitude & Longitude (WGS84): 38° 44' 28'' North , 122° 42' 0'' West
Latitude & Longitude (decimal): 38.7411111111, -122.7
 
A former Hg mine located in sec. 1, T10N, R8W, MDM, 3.3 km (2.1 miles) SSE of Castle Rock Springs and 4 miles NW of the Great Western Mine. NOTE: Some refereneces place this mine in Sonoma County.

Veinlets and disseminations of mercury ores in dense opaline silica-carbonate rock, occurring in the footwall of a wide fault that separates serpentinite from sandstone. Some mineralization is also present in the sandstone and in highly altered basalt dykes that have intruded the serpentinite in the hanging wall of the fault.

Production data are found in: U.S. Bureau of Mines file data.

Mineral List



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.

References

Becker, George F. (1888b), Geology of the quicksilver deposits of the Pacific slope: USGS Monograph 13, atlas: 351-362.

Watts, Wm. L. (1893), Lake County; California Mining Bureau. Report 11: 240.

Kramm, H.E. (1910), Serpentines of the central Coast Ranges of California: American Philosophical Society Proceedings: 49: 315-349; […(abstract): Science, new series: 32: 31 (1910); …Geological Society of America Bulletin: 21: 793 (1910)]: 345.

Bradley, W.W. (1918), Quicksilver resources of California, with a section on metallurgy and ore dressing: California Mining Bureau. Bulletin 78, 389 pp.

Ransome, Alfred Leslie & J.L. Kellogg (1939), Quicksilver resources of California: California Journal of Mines and Geology, California Division Mines (Report 35): 35: 353-486.

Yates, Robert G. & Lowell S. Hilpert (1946), Quicksilver deposits of eastern Mayacmas district, Lake and Napa Counties, California: California Journal of Mines and Geology, California Division of Mines (Report 42): 42: 231-286 [247, 278].

Averill, Charles V. (1947a), Mines and mineral resources of Lake County: California Journal of Mines and Geology, California Division Mines (Report 43): 43: 15-40.

DIREXPL (1955) Eaton and Smith, contractor.

Holmes, Jr., G.W. (1965), Mercury in California: in: U.S. Bureau of Mines Information Circular 8252.

Davis, Fenelon Francis and E.H. Bailey (1966) Mercury. California Division Mines and Geology Bulletin 191: 247-254.

Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 82, 165, 254, 367.

White, D.E. (1967) Mercury and base-metal deposits with associated thermal and mineral waters. In: H.L. Barnes (Editor), Geochemistry of hydrothermal ore deposits. Holt Reinhart and Winston, New York: 589.

Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 74, 111, 116, 215, 342.

Bailey, E.H., USGS, personal files.

Rytuba, J.J., Hothem, R.L., May, J.T., Kim, C.S., Lawler, D., Goldstein, D., and Brussee, B.E. (2008): Environmental Impact of the Helen, Research, and Chicago Mercury Mines on Water, Sediment, and Biota in the Upper Dry Creek Watershed, Lake County, California. USGS Open-File Report 08-1382.

 
矿物 and/or 产地  
版权所有© mindat.org1993年至2020年,除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 Current server date and time: 2020.2.28 03:09:11 Page generated: 2016.4.22 15:21:55
Go to top of page