Discovery of Organic Matter and Palynomorphs from the Neoproterozoic Zor Diamictite of the Ramsu Formation in the Ramban District, Jammu and Kashmir, India

The presence of medium-grade organic matter confirmed by Raman spectroscopy is reported for the first time from the Zor diamictite of the Ramsu Formation, Tethyan Himalaya. The organic matter has undergone overmature thermal evolution. The sediment shows low total organic carbon (TOC) and low total...

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Published inJournal of the Geological Society of India Vol. 95; no. 5; pp. 447 - 454
Main Authors Khullar, Sumeet, Pandita, Sundeep K., Meinhold, Guido, Bhat, Ghulam M., Raina, Brij K., Thusu, Bindra, Jones, Malcolm J.
Format Journal Article
LanguageEnglish
Published New Delhi Geological Society of India 01.05.2020
Springer Nature B.V
Subjects
Analytical methods
Cyanobacteria
Earth and Environmental Science
Earth Sciences
Geology
Hydrogeology
Organic carbon
Organic matter
Raman spectroscopy
Research Article
Sulfur
Sulphur
Thermal evolution
Total organic carbon
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Summary:The presence of medium-grade organic matter confirmed by Raman spectroscopy is reported for the first time from the Zor diamictite of the Ramsu Formation, Tethyan Himalaya. The organic matter has undergone overmature thermal evolution. The sediment shows low total organic carbon (TOC) and low total sulfur (TS) values of <0.25% and <0.01%, respectively. Low TS/TOC < 0.08 suggests oxic bottom waters during the deposition of the Zor diamictite. The recovered palynomorph assemblage includes Leiosphaeridia spp., Kildinosphaera verrucata, Trachyhystrichosphaera sp., the filamentous cyanophyte Taeniatum sp., the clusters of simple, spheroidal forms Myxococcoides sp., and the colonial cyanobacteria Synsphaeridium sp. This palynomorph assemblage suggests a Neoproterozoic age for the Zor diamictite of the Ramsu Formation.
ISSN:0016-7622
0974-6889
DOI:10.1007/s12594-020-1461-9