Foliation intersection/inflection axes within porphyroblasts (FIAs): a review of advanced applications and significance

Kim, Hyeong Soo, and Sanislav, Ioan V. (2017) Foliation intersection/inflection axes within porphyroblasts (FIAs): a review of advanced applications and significance. Geosciences Journal, 21 (6). pp. 1013-1032.

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Abstract

Foliation Intersection/Inflection Axes within porphyroblasts (FIAs) provide a quantitative approach to microstructural and metamorphic analysis that can be used to integrate multiple deformation and metamorphic events and develop lengthy PT path histories during orogenesis. This paper reviews applications of FIAs for determining (1) porphyroblast rotation vs. nonrotation; (2) inclusion trail orientations and orogenic processes involving changes in the direction of bulk horizontal shortening; (3) in situ age determinations for multiple deformation episodes; (4) P-T-t-d paths of poly-metamorphism in an orogenic belt; and (5) constraining relative plate movement paths within ancient orogens. Quantitative structural and metamorphic data correlated directly to relative plate motions, are currently allowing the tectonic reconstruction of multiply deformed and metamorphosed terrains in orogens around the world.

Item ID: 51870
Item Type: Article (Research - C1)
ISSN: 1598-7477
Keywords: foliation intersection/inflection axes within porphyroblasts (FIAs), deformation, metamorphism, bulk shortening, orogenesis
Funders: National Research Foundation of Korea (NRF)
Projects and Grants: NRF 2013R1A1A2058070, NRF-2017R1D1A1B04028521
Date Deposited: 05 Jan 2018 02:47
FoR Codes: 04 EARTH SCIENCES > 0403 Geology > 040312 Structural Geology @ 40%
04 EARTH SCIENCES > 0403 Geology > 040313 Tectonics @ 40%
04 EARTH SCIENCES > 0403 Geology > 040303 Geochronology @ 20%
SEO Codes: 84 MINERAL RESOURCES (excl. Energy Resources) > 8401 Mineral Exploration > 840199 Mineral Exploration not elsewhere classified @ 20%
97 EXPANDING KNOWLEDGE > 970104 Expanding Knowledge in the Earth Sciences @ 80%
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