Origin of Pseudotachylytes Based on Clasts Size Frequency Distribution in Bundelkhand Craton, Central India

被引：6
|
作者：
Deb, Tanwita [1 ]
Bhattacharyya, Tapas [1 ]
Matin, Abdul [1 ]
Sensarma, Sarajit [2 ]
机构：
[1] Univ Calcutta, Dept Geol, Kolkata 700019, India
[2] Univ Lucknow, Ctr Adv Study Geol, Lucknow 226007, Uttar Pradesh, India
来源：
JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA | 2015年 / 85卷 / 05期
关键词：
Pseudotachylyte; Cataclasis; Power-law; Size-frequency distribution; Bundelkhand craton; FAULT-GENERATED PSEUDOTACHYLYTES; MELT; ROCKS;
D O I：
10.1007/s12594-015-0249-9
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Pseudotachylytes in granitoid rocks of the Bundelkhand craton are formed either by crushing dominated process or by pervasive melting. Microstructural observasions reveal that pseudotachylytes include three major varieties: pseudotachylyte-breccia, homogeneous pseudotachylytes and crushed pseudotachylyte. Size frequency diagrams of clasts show power law distribution pattern for crushing dominated pseudotachylytes and "left hand fall off" or curvilinear pattern for melt affected pseudotachylytes.
引用
收藏
页码：551 / 556
页数：6
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