Zobrazeno 1 - 10
of 76
pro vyhledávání: '"D. F. Hewett"'
Publikováno v:
The Journal of Geology, 1929 Oct 01. 37(7), 725-725.
Externí odkaz:
https://www.jstor.org/stable/30055725
Autor:
Everette Lee DeGolyer
Publikováno v:
Economic Geology. 19:550-558
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::80537a1b3564f8b902049223598cf3dc
https://doi.org/10.2113/gsecongeo.19.6.550
https://doi.org/10.2113/gsecongeo.19.6.550
Autor:
D. F. Hewett
Publikováno v:
The Journal of Geology. 37:725-725
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ef0f460877cae2609b080cc5b873af32
https://doi.org/10.1086/623662
https://doi.org/10.1086/623662
Publikováno v:
The Journal of Geology; October 1929, Vol. 37 Issue: 7 p725-725, 1p
Autor:
D. F. Hewett, Earl V. Shannon
Publikováno v:
American Journal of Science. :491-506
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fa1b144d767cb12d6bc5e792befc8a8
https://doi.org/10.2475/ajs.s5-1.6.491
https://doi.org/10.2475/ajs.s5-1.6.491
Autor:
Waldemar T. Schaller, D. F. Hewett
Publikováno v:
American Journal of Science. :29-38
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1093c56ab3cad0598c935ba8adb059d2
https://doi.org/10.2475/ajs.s5-10.55.29
https://doi.org/10.2475/ajs.s5-10.55.29
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
Publikováno v:
Proceedings of the United States National Museum. 73:1-18
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0752f4e16b37fa7b3691eaf37686dc4f
https://doi.org/10.5479/si.00963801.73-2737.1
https://doi.org/10.5479/si.00963801.73-2737.1
Autor:
A. S. Radtke, D. F. Hewett
Publikováno v:
Economic Geology. 62:1-21
The name black calcite has been applied from time to time to a dark gray to black variety of calcite or aragonite in metalliferous ore deposits in the Western States. Most of the material shows curved, roughly rhombic cleavage. The color is due to di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8f130448667ea38ee5181f35b07c7f14
https://doi.org/10.2113/gsecongeo.62.1.1
https://doi.org/10.2113/gsecongeo.62.1.1