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

被引：28

作者：

Mallick, Monalisa ^{[1
]}

Dutta, Suryendu ^{[1
]}

Greenwood, Paul F. ^{[2
,3
,4
]}

Bertram, Norbert ^{[5
]}

机构：

[1] Indian Inst Technol, Dept Earth Sci, Bombay 400076, Maharashtra, India

[2] Univ Western Australia, WA Biogeochem Ctr, Crawley, WA 6009, Australia

[3] Univ Western Australia, John Laeter Mass Spectrometry Ctr, Crawley, WA 6009, Australia

[4] Curtin Univ Technol, WA Organ & Isotope Geochem Ctr, Bentley, WA 6102, Australia

[5] LTA Labor Toxikol & Analyt, D-53639 Konigswinter, Germany

来源：

JOURNAL OF THE GEOLOGICAL SOCIETY OF INDIA | 2009年 / 74卷 / 01期

关键词：

Fossil resin; Eocene; Polycadalene; Cambay Basin; Western India; EXTANT DAMMAR RESINS; CRUDE OILS; GUJARAT; FOSSIL; AMBER; BICADINANES; BIOPOLYMER; ROCKS; ASSAM;

D O I：

10.1007/s12594-009-0098-5

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

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 CH3 (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.

引用

页码：16 / 22

页数：7

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