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Pyrolytic and spectroscopic studies of Eocene resin from Vastan lignite Mine, Cambay basin, Western India

DSpace at IIT Bombay

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Title Pyrolytic and spectroscopic studies of Eocene resin from Vastan lignite Mine, Cambay basin, Western India
 
Creator MALLICK, M
DUTTA, S
GREENWOOD, PF
BERTRAM, N
 
Subject extant dammar resins
crude oils
fossil
gujarat
amber
bicadinanes
biopolymer
rocks
assam
fossil resin
eocene
polycadalene
cambay basin
western india
 
Description The molecular structure of an Eocene fossil resin (Vastan, Cambay basin, Western India) has been investigated with complimentary spectroscopic techniques. The FTIR spectrum shows strong aliphatic CH (x) (3000-2800 and 1460-1450 cm(-1)) and CH(3) (1377 cm(-1)) absorptions and less intense aromatic C=C (1560-1610 cm(-1)) absorptions. The major products from analytical pyrolysis are cadalene based bicyclic sesquiterpenoids including some bicadinenes and bicadinanes. The polycadinane products confirm the fossil material as an Angiosperm dammar resin, associated with inputs of tropical rain forests supported by past climates.
 
Publisher SPRINGER INDIA
 
Date 2011-08-30T06:13:53Z
2011-12-26T12:58:48Z
2011-12-27T05:49:21Z
2011-08-30T06:13:53Z
2011-12-26T12:58:48Z
2011-12-27T05:49:21Z
2009
 
Type Article
 
Identifier JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA, 74(1), 16-22
0016-7622
http://dx.doi.org/10.1007/s12594-009-0098-5
http://dspace.library.iitb.ac.in/xmlui/handle/10054/12216
http://hdl.handle.net/10054/12216
 
Language en