Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Arthur S. Radtke"'
Autor:
Arthur S. Radtke, Timothy J. Percival, William C. Bagby, Albert H. Hofstra, Peter Craig Gibson, William J. Pickthorn, Edwin H. McKee, Donald C. Noble
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ecd2a0024898933ee70fde120e6dd388
https://doi.org/10.5382/rev.20.08
https://doi.org/10.5382/rev.20.08
Publikováno v:
Economic Geology. 76:659-676
Graywacke was reacted with seawater and with a saturated NaCl brine containing Ca, Mg, and K, using a solid/liquid ratio of 1/10. The degree of reaction was minimal at 200 degrees C but significant at 350 degrees C. In both fluids anorthite, dolomite
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6123931e7ab16cf9724e23b3b0ae88e
https://doi.org/10.2113/gsecongeo.76.3.659
https://doi.org/10.2113/gsecongeo.76.3.659
Publikováno v:
Applied Spectroscopy. 38:451-454
Stibnite, Sb2S3, is present in low-temperature ore deposits of many genetic types. It occurs as the principal ore mineral in most antimony deposits, which contain only small amounts of other metals. The mineral is associated with arsenic, mercury, an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b9ba3653305396488ddefd6ba8e6cdc
https://doi.org/10.1366/0003702844555467
https://doi.org/10.1366/0003702844555467
Publikováno v:
Economic Geology. 70:591-594
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d64c39b1844ca25a5c4dce517e4fc04e
https://doi.org/10.2113/gsecongeo.70.3.591
https://doi.org/10.2113/gsecongeo.70.3.591
Publikováno v:
Economic Geology. 62:186-206
During a study of hypogene manganese minerals, three silver-bearing manganese oxides were identified in "black calcite" associated with silver ores at the Aurora mine (Treasure Hill), Hamilton, Nevada. Specifically these are: (1) argentian chalcophan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20686f6312d54a577062b918f3fe14b7
https://doi.org/10.2113/gsecongeo.62.2.186
https://doi.org/10.2113/gsecongeo.62.2.186
Autor:
Arthur S. Radtke, Charles M. Taylor
Publikováno v:
Economic Geology. 60:1306-1319
Techniques for the preparation of surfaces for microscopic examination are described in detail with the results shown by photomicrographs. Equipment and materials required, together with the methods of preparing the equipment, are discussed.Specimens
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ca922e637c2dd2c1f1a9ee2662d53c67
https://doi.org/10.2113/gsecongeo.60.6.1306
https://doi.org/10.2113/gsecongeo.60.6.1306
Autor:
Arthur S. Radtke
Publikováno v:
Economic Geology. 59:279-290
The Buena Vista iron ores have a geologic setting and genesis distinct from that usually attributed to contact-metasomatism. The ore is confined to igneous rock with the majority of the magnetite localization controlled by fold axes and fissures in h
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86667b81305f5b6030d98878dc6d76d2
https://doi.org/10.2113/gsecongeo.59.2.279
https://doi.org/10.2113/gsecongeo.59.2.279
Autor:
Charles M. Taylor, Arthur S. Radtke
Publikováno v:
Economic Geology. 64:306-318
Detailed mineralogical and chemical study of sphalerite-rich lead ores from Flat River, Mo., confirms the presence of anomalous amounts of silver in the sphalerite. Although silver is closely associated with chlorine and no silver sulfide minerals we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56e3ab315b82b68386d556ae8a6a6a97
https://doi.org/10.2113/gsecongeo.64.3.306
https://doi.org/10.2113/gsecongeo.64.3.306
Autor:
Arthur S. Radtke
Publikováno v:
Economic Geology. 58:593-598
Reports the physical, chemical, optical and x-ray properties of cuprian coloradoite, (Hg, Cu) Te, found in association with coloradoite, calaverite, petzite, sylvanite, native gold, and tetrahedrite in the Oroya shoot east of Kalgoorlie.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cae3ec891f23be9c7613d5328eeea402
https://doi.org/10.2113/gsecongeo.58.4.593
https://doi.org/10.2113/gsecongeo.58.4.593
Publikováno v:
Economic Geology. 66:14-33
Discussion of genesis, ore types, production and potential, Mesozoic and Tertiary metallogenesis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2abc225957624528e96f26d4d4443345
https://doi.org/10.2113/gsecongeo.66.1.14
https://doi.org/10.2113/gsecongeo.66.1.14