Hydrocarbon composition of Russian amber from the Voznovo lignite deposit and Sakhalin Island
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in: International journal of coal geology, Jahrgang 167.2016, Nr. 1 October, 14.10.2016, S. 176-183.
Publikationen: Beitrag in Fachzeitschrift › Artikel › Forschung › (peer-reviewed)
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T1 - Hydrocarbon composition of Russian amber from the Voznovo lignite deposit and Sakhalin Island
AU - Bechtel, Achim
AU - Chekryzhov, Igor Yu.
AU - Nechaev, Victor P.
AU - Kononov, Valery V.
PY - 2016/10/14
Y1 - 2016/10/14
N2 - Amber of different color and fluorescence has recently been found in a lignite seam inthe Zerkal'nenskaya depression, Primorsky Krai, Russia. In this deposit, the amber isassociated with abundant charcoal and fusain fragments in the host rocks. Besidethree composite samples of different color from the lignite and one composite ambersample from the Sakhalin Island has been included in this study for comparison.Based on previous fluorescence and fluorescence excitation measurements, theblue glow of amber has been related to the fluorescent aromatic hydrocarbonperylene, although FTIR study of the Russian blue amber has not found any distinctsignature of this compound. The present analyses using gas chromatography-massspectrometry have also identified no perylene in any of the four Russian ambersamples. The hydrocarbon fractions of the extractable organic matter from theambers are dominated by C18 to C20 diterpenoids of the labdane, abietane,pimarane,phyllocladane and kaurane types. Their biomarker composition is consistent with theproposed origin from gymnosperms of the families Pinaceae, Cupressaceae, and/orTaxodiacceae. The cause for the blue amber glow could not be clarified based on thecommonly used methods of hydrocarbon composition study.
AB - Amber of different color and fluorescence has recently been found in a lignite seam inthe Zerkal'nenskaya depression, Primorsky Krai, Russia. In this deposit, the amber isassociated with abundant charcoal and fusain fragments in the host rocks. Besidethree composite samples of different color from the lignite and one composite ambersample from the Sakhalin Island has been included in this study for comparison.Based on previous fluorescence and fluorescence excitation measurements, theblue glow of amber has been related to the fluorescent aromatic hydrocarbonperylene, although FTIR study of the Russian blue amber has not found any distinctsignature of this compound. The present analyses using gas chromatography-massspectrometry have also identified no perylene in any of the four Russian ambersamples. The hydrocarbon fractions of the extractable organic matter from theambers are dominated by C18 to C20 diterpenoids of the labdane, abietane,pimarane,phyllocladane and kaurane types. Their biomarker composition is consistent with theproposed origin from gymnosperms of the families Pinaceae, Cupressaceae, and/orTaxodiacceae. The cause for the blue amber glow could not be clarified based on thecommonly used methods of hydrocarbon composition study.
U2 - 10.1016/j.coal.2016.10.005
DO - 10.1016/j.coal.2016.10.005
M3 - Article
VL - 167.2016
SP - 176
EP - 183
JO - International journal of coal geology
JF - International journal of coal geology
SN - 0166-5162
IS - 1 October
ER -