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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/14034

Title: Terpenoid composition and botanical affinity of Cretaceous resins from India and Myanmar
Authors: DUTTA, S
MALLICK, M
KUMAR, K
MANN, U
GREENWOOD, PF
Keywords: TERTIARY BOUNDARY
FOSSIL RESINS
BURMESE AMBER
HYDROCARBONS
MEGHALAYA
SEDIMENTS
CONIFERS
BASIN
OILS
DITERPENOIDS
Issue Date: 2011
Publisher: ELSEVIER SCIENCE BV
Citation: INTERNATIONAL JOURNAL OF COAL GEOLOGY,85(1)49-55
Abstract: Fossil resins from the Cretaceous sediments of Meghalaya, India and Kachin, Myanmar (Burma) were analysed using Curie point pyrolysis-gas chromatography-mass spectrometry and thermochemolysis gas chromatography-mass spectrometry to help elucidate their botanical source. The major pyrolysis products and methyl-esterified thermochemolysis products of both the resins were abietane and labdane type diterpenoids with minor amount of sesquiterpenoids. The thermochemolysis products also included methyl-16,17-dinor callitrisate, methyl-16,17-dinor dehydroabietate and methyl-8-pimaren-18-oate-the latter two from just the Myanmarese resin. The exclusive presence of both labdane and abietane diterpenoids and the lack of phenolic terpenoids may suggest that the studied Cretaceous resins were derived from Pinaceae (pine family) conifers. (C) 2010 Elsevier B.V. All rights reserved.
URI: http://dx.doi.org/10.1016/j.coal.2010.09.006
http://dspace.library.iitb.ac.in/jspui/handle/100/14034
ISSN: 0166-5162
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