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Geology geochemistry and geochronology of the Çöpler porphyry epithermal gold deposit central eastern Turkey
Date
2010-11-04
Author
İmer, Ali
Creaser, Robert
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The Çöpler deposit is located about 120 km west of the city of Erzincan in central eastern Turkey, and it consists of a subeconomic porphyry-type Cu-Au mineralization overlain by paragenetically later low-sulfidation epithermal-style Au mineralization. The porphyry-epithermal mineralization is spatially related to middle Eocene intrusive rocks, which have been emplaced into a succession of Permian-Cretaceous metasedimentary and carbonate rocks within an ENE-WSW-trending structural window exposed in the northeastern part of the Tauride-Anatolide orogenic block. The intrusive suite at Çöpler consists of different phases of diorite porphyry which contain phenocrysts of plagioclase and hornblende±biotite, set in a groundmass of quartz and plagioclase. Major and trace element data suggest an I-type calc-alkaline magmatic affinity for the diorite porphyries with strong resemblance to magmatic rocks formed in continental arc settings.
Subject Keywords
Porphyry Cu-Au
,
Epithermal Au
,
Tauride-Anatolide block
,
Eocene
,
Postsubduction
URI
https://hdl.handle.net/11511/87000
https://d1wqtxts1xzle7.cloudfront.net/4499854/GSA_abstract.pdf?response-content-disposition=inline%3B+filename%3DGEOLOGY_GEOCHEMISTRY_AND_GEOCHRONOLOGY_O.pdf&Expires=1614061716&Signature=RlMaBtchKk6n-lzkUmn7Ur1BZWm6jlI3VLdqyuqfVQHtuvmhoFW~6CmV6P9YD52fGo86~TXz7uaWBXGdzi4uMhVSfIzoS8mIZRMYC6Cv1krTWOT2BRH8KTtOirg4394D9uBWj9mzoFvcZvT2pav7x-caFlgaUKdNhjTdAQxdFuZbcekZlu14b1MDp6InWD1f7Bgc8HuS~X2Qm7uDYBsJpvuaNrs8PUCO48WwOAnN9ICIbAFO55T9LmQXlkAM7RnL4UYWIN5H~0BulI1B-TSkzt8YNtmDuZd8dHvIWARFKbvnoKGTPKyhcQmyD484S21gt~RsYxj-q-LFFz0ek~WYpw__&Key-Pair-Id=APKAJLOHF5GGSLRBV4ZA
Conference Name
Geological Society of America Tectonic Crossroads: Evolving Orogens of Eurasia-Africa-Arabia
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Department of Geological Engineering, Conference / Seminar
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A. İmer and R. Creaser, “Geology geochemistry and geochronology of the Çöpler porphyry epithermal gold deposit central eastern Turkey,” presented at the Geological Society of America Tectonic Crossroads: Evolving Orogens of Eurasia-Africa-Arabia, Ankara, Türkiye, 2010, Accessed: 00, 2021. [Online]. Available: https://hdl.handle.net/11511/87000.