Zobrazeno 1 - 10
of 162
pro vyhledávání: '"Charles R. Stern"'
Autor:
Reza Monazzami Bagherzadeh, Mohammad Hassan Karimpour, G. Lang Farmer, Charles R. Stern, Jose Francisco Santos, Sara Ribeiro, Behnam Rahimi, Mohammad Reza Haidarian Shahri
Publikováno v:
Journal of Economic Geology, Vol 10, Iss 2, Pp 425-448 (2019)
Introduction The study area is located in the northeast of Iran (the Khorasan Razavi province) and 28 km northwest of Bardaskan city and in position of 57˚ 46΄ to 57˚ 52΄ latitude and 35˚ 21΄ to 35˚ 24΄ longitude. The study area is a part of
Externí odkaz:
https://doaj.org/article/217997dd30b94a7ea98491baf13dbbdf
Autor:
Mohammad Hassan Karimpour, Azadeh Malekzadeh Shafaroudi, Zahra Alaminia, Abbas Esmaeili Sevieri, Charles R. Stern
Publikováno v:
Journal of Economic Geology, Vol 10, Iss 2, Pp 677-706 (2019)
Introduction Mississippi Valley-Type (MVT) deposits are epigenetic zinc and lead deposits with minor copper hosted by dolostone, limestone, and locally sandstone in platform carbonate sequences inboard of major orogenic belts (Leach and Sangster, 19
Externí odkaz:
https://doaj.org/article/925dc61664684cf8a0acebf1e5386063
Autor:
Mohammad Hassan Karimpour, Azadeh Malekzadeh Shafaroudi, Abbas Esmaeili Sevieri, Saeed Shabani, Julien M. Allaz, Charles R. Stern
Publikováno v:
Journal of Economic Geology, Vol 9, Iss 2, Pp 267-294 (2017)
Introduction The Irankuh mining district area located at the southern part of the Malayer-Isfahan metallogenic belt, south of Isfahan, consists of several Zn-Pb deposits and occurrences such as Tappehsorkh, Rowmarmar 5, Kolahdarvazeh, Blind ore, and
Externí odkaz:
https://doaj.org/article/311137ebc0254ae9b6919a8347be6c83
Autor:
Reza Monazzami Bagherzadeh, Mohammad Hassan Karimpour, G. Lang Farmer, Charles R. Stern, Jose Francisco Santos, Sara Ribeiro, Behnam Rahimi, Mohammad Reza Haidarian Shahri
Publikováno v:
Journal of Economic Geology, Vol 8, Iss 1, Pp 239-264 (2016)
Introduction The Bornaward area is located in the Northeastern Iran (in the Khorasan Razavi province) 28 km northwest of the city of Bardaskan at 57˚ 46΄ to 57˚ 52΄ N latitude and 35˚ 21΄ to 35˚ 24΄E longitude. The Taknar structural zone, si
Externí odkaz:
https://doaj.org/article/d2d3188edb1d4f2b8bd60dc4b5735092
Autor:
Charles R. Stern, M. Alexandra Skewes
Publikováno v:
Minerals, Vol 10, Iss 1, p 57 (2020)
This Special Issue presents eight original contributions concerning ore deposits in China, Russia, and Chile [...]
Externí odkaz:
https://doaj.org/article/4b3a12ec46274914b56eeba6d62110e9
Autor:
Malihe Nakhaei, Seyed Ahmad Mazaheri, Mohammad Hassan Karimpour, G. Lang Farmer, Charles R. Stern, Mohammad Hossein Zarrinkoub, Mohammad Reza Haydarian Shahri
Publikováno v:
Journal of Economic Geology, Vol 6, Iss 2, Pp 393-409 (2014)
Introduction The study area is located 196 km south of Birjand in eastern border of the Lut block )Berberian and King, 1981) in eastern Iran between 59°05′35" and 59°09′12" E longitude and 31°42′29" and 31°44′13" N latitude. The magmatic
Externí odkaz:
https://doaj.org/article/90d48503a18743cb84a8240aadda323d
Publikováno v:
Minerals, Vol 9, Iss 9, p 550 (2019)
We have determined the Hf isotopic compositions of 12 samples associated with the giant El Teniente Cu-Mo megabreccia deposit, central Chile. The samples range in age from ≥8.9 to 2.3 Ma and provide information about the temporal evolution of their
Externí odkaz:
https://doaj.org/article/75745e139be84b5fb4f0ef33087c38ac
Publikováno v:
Journal of Economic Geology, Vol 3, Iss 2, Pp 127-145 (2012)
The study area is located south of Ghonabad in Eastern Iran. This area is situated between two major faults, Darouneh to the north and Dashtbyaz to the south. The movements of these faults cased major dislocation of this block. Najmabad granodiorite
Externí odkaz:
https://doaj.org/article/ad3c68b8fcab447cbca2e81a8ece8b18
Publikováno v:
Intersecciones en Antropología, Vol 10, Iss 1, Pp 75-89 (2009)
Se presentan nuevos análisis químicos de 64 muestras de obsidianas de dos zonas de la provincia del Neuquén: en el sudoeste y el centro-oeste. De la zona sudoeste se analizaron muestras de seis fuentes geológicas de obsidiana, tres en el área de
Externí odkaz:
https://doaj.org/article/aad2a6b705be4d9395b9f9eb737fe8e5
Autor:
Julieta Gómez Otero, Charles R. Stern
Publikováno v:
Intersecciones en Antropología, Iss 6, Pp 93-108 (2005)
Se presentan los resultados de un nuevo análisis de elementos traza en 26 artefactos de 19 sitios arqueológicos de la costa de la provincia del Chubut. Dieciocho sitios son del sector norte, entre las desembocaduras del Arroyo Verde y del río Chub
Externí odkaz:
https://doaj.org/article/b812c2b08af642cabb62477fe45c07b2