Geochemical Characterization of a Fibrous Calcite Vein Using Micro X-ray Fluorescence Imaging: A Case Study
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Abstract
Micro–X-ray fluorescence (µXRF) imaging is an effective non-destructive method extensively utilized in geosciences for the acquisition of high-resolution spatial elemental data. This study utilizes µXRF to examine a fibrous calcite vein (KK1) from the Permian Khao Khwang Formation in Thailand. The calcite vein, devoid of attached host rock, displays a cone-in-cone texture and a median suture rich in inclusions. µXRF elemental maps indicate a Ca-dominant composition, with median enrichments observed in Fe, Si, Al, K, and Mn, alongside later Sr-rich cross-cutting veinlets. This study illustrates the capability of µXRF to improve comprehension of fluid history, mineral development, and redox conditions within sedimentary systems, thereby assisting geologists in basin analysis and petroleum system assessment.
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Copyright © 2008 Department of Geology, Faculty of Science, Chulalongkorn University. Parts of an article can be photocopied or reproduced without prior written permission from the author(s), but due acknowledgments should be stated or cited accordingly.
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