Global Geology 2009, 12(3) 156-159 DOI:     ISSN: 1673-9736 CN: 22-1371/P

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Keywords
granodiorite
geochemistry
formation setting
Inner-Mongolia
Huhehade
Authors
PubMed

Chracteristics and formation setting of granodiorite in Zhalute County, Inner Mongolia

ZHAO Qingying1 , LI Chunfeng2, 3 , WANG Guoliang4 and LI Xuefei

1. College of Earth Sciences, Jilin University, Changchun 130061, China; 2. Seismological Bureau of Shaanxi Province, Xi'an 710068, China; 3. Institute of Geophysics, China Earthquake Administration, Beijing 100081, China; 4. Regional Survey of Geology and Mineral Resources of Jilin Province, Changchun 130022, China

Abstract

Based on field investigation and study of petrology, mineralogy, geochemistry and isotopic geochronology for the granodiorite, the authors discussed the formation setting of the granodiorite. The pluton is calci alkalic and peraluminous granite in which light rare earth elements (LREE) are intensively enriched, heavy rare earth elements are relatively poor, the ratio of LREE to heavy rare earth elements (HREE) is 7. 12, and the fractionation of REE is good. The pluton formed in late orogenic setting which is relatively steady.

Keywords granodiorite   geochemistry   formation setting    Inner-Mongolia    Huhehade  
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