Native polycyclic aromatic hydrocarbons (PAH) in coals–a hardly recognized source of environmental contamination

C Achten, T Hofmann - Science of the total Environment, 2009 - Elsevier
Numerous environmental polycyclic aromatic hydrocarbon (PAH) sources have been
reported in literature, however, unburnt hard coal/bituminous coal is considered only rarely …

Relationship between petroleum composition and depositional environment of petroleum source rocks

JM Moldowan, WK Seifert, EJ Gallegos - AAPG bulletin, 1985 - archives.datapages.com
Crude oils of nonmarine source can be distinguished from those of marine shale source and
from oils originating in marine carbonate sequences by using a battery of geochemical …

[图书][B] Introduction to organic geochemistry

SD Killops, VJ Killops - 2013 - books.google.com
An Introduction to Organic Geochemistry explores the fate of organic matter of all types,
biogenic and man-made, in the Earth System. investigates the variety of pathways and …

Fossil fuel biomarkers

RP Philp - 1985 - osti.gov
In the past few years, biomarkers have been used extensively in geochemical research.
Identification of these compounds is normally made by mass spectrometry. However only a …

A review of the biogeochemical controls on the occurrence and distribution of polycyclic aromatic compounds (PACs) in coals

R Wang, R Sun, G Liu, B Yousaf, D Wu, J Chen… - Earth-Science …, 2017 - Elsevier
The organic matter in coal contains polycyclic aromatic compounds (PACs) of varying
quantities in diverse soluble and insoluble forms. PACs in coal are of special interest for …

Cyclic terpenoids of contemporary resinous plant detritus and of fossil woods, ambers and coals

BRT Simoneit, JO Grimalt, TG Wang, RE Cox… - Organic …, 1986 - Elsevier
Cyclic terpenoids present in the solvent extractable material of fossil woods, ambers and
brown coals have been analyzed. The sample series chosen consisted of wood remains …

Trimethylnaphthalenes in crude oils and sediments: effects of source and maturity

MG Strachan, R Alexander, RI Kagi - Geochimica et Cosmochimica Acta, 1988 - Elsevier
Three sedimentary sequences and a number of crude oils have been analysed for
trimethylnaphthalenes (TMNs) using gas chromatography. The sediments were found to …

Sources of PAHs in the environment

M Howsam, KC Jones - PAHs and Related Compounds: Chemistry, 1998 - Springer
PAHs are primarily emitted by anthropogenic activities, and although some natural and
secondary sources of these contaminants are discussed, the focus of this chapter is the …

Paleo-depositional environment, origin and characteristics of organic matter of the Triassic Chang 7 Member of the Yanchang Formation throughout the mid-western …

J Qiao, A Baniasad, L Zieger, C Zhang, Q Luo… - International Journal of …, 2021 - Elsevier
A comprehensive geochemical and petrographic study was performed on 23 clay-rich shale
samples collected from 18 wells drilled in the mid-western part of the Ordos Basin to …

Changes of composition and content of tricyclic terpane, hopane, sterane, and aromatic biomarkers throughout the oil window: A detailed study on maturity parameters …

R Fang, R Littke, L Zieger, A Baniasad, M Li… - Organic …, 2019 - Elsevier
A total of 30 core samples of organic matter-rich Lower Toarcian shale (Posidonia Shale)
were geochemically analyzed to study systematic changes in the quantitative and qualitative …