Geology and Petrological Study of Metasediments Exposed Around Mordu and Khiwandi Village, Sirohi and Pali District, Rajasthan, India
Journal Title: International Journal for Research in Applied Science and Engineering Technology (IJRASET) - Year 2017, Vol 5, Issue 6
Abstract
In the areas west of South Delhi Fold Belt (SDFB), isolated patches of metasedimentary rocks are occur in the form of a broad belt occupying the plains of Marwar lying to the southwest of Aravalli range. The metasediments of Sirohi Group are exposed in linear belt from Didwana (Nagaur District) to Palanpur (Gujarat), through Degana, Sojat, Gundoj, Nadol, Khiwandi, Mordu, Sirohi, Reodar and Mandar. The continuity of the belt is either lost under a thick soil/sand cover in the area or interrupted by the intrusive Erinpura Granite. In north of Sirohi, these metasediments occur as isolated outcrops, traceable for some distance. Further north, exposures of these rocks are quite scare, particularly beyond the Jawai river beds. These metasedimentary rocks are grouped within the Sirohi Group. One such patch of metasediments exposed to the northwest of Sumerpur. The Neoproterozoic Sirohi Group of rocks includes carbonaceous phyllite, black cherty quartzite, micaceous quartzite / schist, calc silicate rock and dolomitic marble. These rocks are intruded by granite, dolerite dyke, pegmatite and quartz vein. The granites are of two types- one is coarse porphyritic in nature and another is fine to medium grained and mainly occurring along the periphery of porphyritic granite. These granites occur generally in the form of dykes. The general strike varies from NNE-SSW to ENE-WSW with a moderate to steep dip towards south east.
Authors and Affiliations
Kapasya Harish, Sharma K. K. , Purohit Ritesh, Chauhan N. K.
Keywords
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