 | | Journal (article/letter/editorial) | | sources of gold mineralization in the Marmato mining district, NW Colombia: A MioceneāPliocene epizonal gold...GeolĆ³gico y Minero, Diagonal 53, no 34-53, Bogota, Colombia Received 4 May 2005; accepted 10 March 2007 Available...in the Marmato mining district, within the Calima Terrain of the Setentrional Andes, Colombia. Regional...Combia Formation (9 to 6 Ma). The subvolcanic Marmato stock hosts mesothermal and epithermal low-sulfidation...with subordinate chalcopyrite, arsenopyrite, pyrrhotite, argentite and native gold/electrum. Sericitized |  | Naranjo, AndrĆ©s, Horner, Johannes, Jahoda, Rudolf, Diamond, Larryn W., Castro, Adriana, Uribe, Aura, Perez, Carolina, Paz, Hermel, Mejia, Carlos, Weil, Jonas (2018) La Colosa Au Porphyry Deposit, Colombia: Mineralization Styles, Structural Controls, and Age Constraints. Economic Geology, 113 (3) 553-578 doi:10.5382/econgeo.2018.4562 | Journal (article/letter/editorial) | | 113 May No. 3 La Colosa Au Porphyry Deposit, Colombia: Mineralization Styles, Structural Controls, and...AngloGold Ashanti Colombia, Carrera 19 Sur 162-70, IbaguĆ©, Tolima 050026, Colombia 2 iC 3 Institute...the eastern flank of the Central Cordillera of Colombia, within the Middle Cauca metallogenic belt. The...molybdenite, and magnetite in the porphyries and with pyrrhotite-pyrite-melnikovite in the country rocks. In the...the gold grades drop to 0.5 to 0.75 g/t Au, and pyrrhotite and pyrite are the major sulfides. Gold grades |  | | Journal (article/letter/editorial) | | Academy of Sciences, Beijing 100049, P.R. China Department of Earth and Environmental Sciences, University...at: No. 19, Beitucheng Western Road, Chaoyang District, 100029 Beijing, P.R. China. E-mail address:...(typically <2 vol %), minor pyrite āarsenopyrite Ā± pyrrhotite Ā± sphalerite Ā± galena Ā± chalcopyrite Ā± tetrahedrite...and the 300-km-long Middle Cauca belt in Colombia (e.g., Marmato) (Sillitoe, 2008). Besides, sporadic IS...Ciobanu et al., 2002; Grancea et al., 2002), Baguio district of the Philippines and Morobe goldfield of Papua |  | | Journal (article/letter/editorial) | | involved in large-scale gold mineralization, Jiaodong district, China: constraints provided by the He-Ar and... Rziki Draa Sfar, Morocco: A Visean (331 Ma) pyrrhotite-rich, polymetallic volcanogenic massive sulphide...Zn-Pb-Cu massive sulphide deposits of the Bathurst mining camp, New Brunswick, Canada. I. Comparisons with...ZnāPbāCu massive sulphide deposits of the Bathurst mining camp, New Brunswick, Canada. II. Ocean anoxia during...Mio-Pliocene sediments of the Tamra iron mine (Nefza mining district, Tunisia): Mixed influence of pedogenesis and |  | Lesage, G., Richards, J. P., Muehlenbachs, K., Spell, T. L. (2013) Geochronology, Geochemistry, and Fluid Characterization of the Late Miocene Buritica Gold Deposit, Antioquia Department, Colombia. Economic Geology, 108 (5) 1067-1097 doi:10.2113/econgeo.108.5.1067 | Journal (article/letter/editorial) | | Miocene BuriticĆ” Gold Deposit, Antioquia Department, Colombia* GUILLAUME LESAGE,1 JEREMY P. RICHARDS,1...L. SPELL2 1 University 2 Nevada of Alberta, Department of Earth & Atmospheric Sciences, University of...gold deposit located 75 km north of MedellĆn, Colombia. It is hosted by the late Miocene BuriticĆ” andesite...the eastern flank of the Western Cordillera of Colombia at 6Ā°42.3'N 75Ā°54.3'W (roughly 75 km north of...of the city of MedellĆn, Antioquia Department). The deposit consists of a structurally controlled epithermal |  | | Journal (issue) | | Oliver Cummings Farrington, Ph. D. Curator, Department of Geology. Chicago, U. S. A. May, 1902. I...latter mineral appear brown, in the stone. Also pyrrhotite (inagnctkies) is present in considerable translucent... Assistant Curator of the Department, in the laboratory of the Department. For this analysis a fragment...Anori, History of Mining 138 District of 131, Antioquia, Department of 22 District of, 18 138 130...130 West 141 Mining districts and ores Anza, Mining District of. 131, of.. 130 Definition 23 22 |  | | Book | | Consulting Geologist Department of Geology University EAFIT MedellĆn, Colombia Robert Peter Shaw Consulting...Tectonics Colombia 1938ā1946 āUnique ā a dreamā Highlights ā¢āKey geological realms in Colombia were the...The Ganssers had four daughters (Ursula, born in Colombia, 1941; Manuela, 1949; Francesca, 1956; and Rosanna...and two sons (Mario, born in Colombia, 1943; Luca, also born in Colombia, 1945). In 2000, Gansserās dear...the Escuela de Minas (MedellĆn, 1887) and the Department of Geology and Geophysics at the Unversidad Nacional |  | Wang, Changming, Zhang, Da, Wu, Ganguo, Santosh, M., Zhang, Jing, Xu, Yigan, Zhang, Yaoyao (2014) Geological and isotopic evidence for magmatic-hydrothermal origin of the AgāPbāZn deposits in the Lengshuikeng District, east-central China. Mineralium Deposita, 49 (6) 733-749 doi:10.1007/s00126-014-0521-8 | Journal (article/letter/editorial) | | origin of the AgāPbāZn deposits in the Lengshuikeng District, east-central China Changming Wang & Da Zhang...Heidelberg 2014 Abstract The Lengshuikeng ore district in east-central China has an ore reserve of ā¼43...characteristics, the mineralization in the Lengshuikeng ore district can be divided into porphyryhosted and stratabound...Lengshuikeng Introduction The Lengshuikeng ore district, located in the Jiangxi Province of east-central...Deposita Fig. 1 a Location map for the Lengshuikeng District. b Sketch map showing the Late Mesozoic volcanic-intrusive |
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