Oil seep in basement, Germania Land, North-East Greenland

Flemming Getreuer Christiansen; Jørgen Albert Bojesen-Koefoed; Sven Monrad Jensen; Lars Stemmerik

doi:10.22008/gpub/28203

Oil seep in basement, Germania Land, North-East Greenland

Flemming Getreuer Christiansen, Jørgen Albert Bojesen-Koefoed, Sven Monrad Jensen, Lars Stemmerik

Publikation: Bog/rapport › Rapport (offentligt tilgængelig)

Resumé

During field work in the summer of 1990 oily material was discovered in mineralised breccias in Germania Land, North-East Greenland. Organic geochemical data (TOC, Rock Eval pyrolysis, extraction, GC, py-GC, GC-MS) show that the material is composed of degraded crude oil. Thermal alteration has been limited whereas biodegradation, probably during migration or earlier trapping, has been severe.

The oil was apparently generated from a source rock dominated by terrestrially derived organic matter, probably deposited in a lacustrine environment. Several geochemical parameters suggest saline rather than freshwater conditions in the lakes. Based on tectonic setting and knowledge on existing sediments in the region several possibilities for the source exist. The most likely source rock seems to be of Late Palaeozoic age.

Originalsprog	Engelsk
Udgivelsessted	Copenhagen
Forlag	GGU
Antal sider	33
DOI	https://doi.org/10.22008/gpub/28203
Status	Udgivet - nov. 1991

Publikationsserier

Navn	Open File Series Grønlands Geologiske Undersøgelse
Nummer	7
Vol/bind	91
ISSN	0903-7322

Emneord

Greenland
North-East Greenland

Programområde

Programområde 1: Data

Adgang til dokumentet

10.22008/gpub/28203Licens: Andet

https://data.geus.dk/pure-pdf/28203_GGU_Open_File_Report_91_7.pdfLicens: Ikke-specificeret

Citationsformater

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title = "Oil seep in basement, Germania Land, North-East Greenland",

abstract = "During field work in the summer of 1990 oily material was discovered in mineralised breccias in Germania Land, North-East Greenland. Organic geochemical data (TOC, Rock Eval pyrolysis, extraction, GC, py-GC, GC-MS) show that the material is composed of degraded crude oil. Thermal alteration has been limited whereas biodegradation, probably during migration or earlier trapping, has been severe. The oil was apparently generated from a source rock dominated by terrestrially derived organic matter, probably deposited in a lacustrine environment. Several geochemical parameters suggest saline rather than freshwater conditions in the lakes. Based on tectonic setting and knowledge on existing sediments in the region several possibilities for the source exist. The most likely source rock seems to be of Late Palaeozoic age.",

keywords = "Greenland, North-East Greenland, Greenland, North-East Greenland",

author = "Christiansen, \{Flemming Getreuer\} and Bojesen-Koefoed, \{J{\o}rgen Albert\} and Jensen, \{Sven Monrad\} and Lars Stemmerik",

year = "1991",

month = nov,

doi = "10.22008/gpub/28203",

language = "English",

series = "Open File Series Gr{\o}nlands Geologiske Unders{\o}gelse",

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T1 - Oil seep in basement, Germania Land, North-East Greenland

AU - Christiansen, Flemming Getreuer

AU - Bojesen-Koefoed, Jørgen Albert

AU - Jensen, Sven Monrad

AU - Stemmerik, Lars

PY - 1991/11

Y1 - 1991/11

N2 - During field work in the summer of 1990 oily material was discovered in mineralised breccias in Germania Land, North-East Greenland. Organic geochemical data (TOC, Rock Eval pyrolysis, extraction, GC, py-GC, GC-MS) show that the material is composed of degraded crude oil. Thermal alteration has been limited whereas biodegradation, probably during migration or earlier trapping, has been severe. The oil was apparently generated from a source rock dominated by terrestrially derived organic matter, probably deposited in a lacustrine environment. Several geochemical parameters suggest saline rather than freshwater conditions in the lakes. Based on tectonic setting and knowledge on existing sediments in the region several possibilities for the source exist. The most likely source rock seems to be of Late Palaeozoic age.

AB - During field work in the summer of 1990 oily material was discovered in mineralised breccias in Germania Land, North-East Greenland. Organic geochemical data (TOC, Rock Eval pyrolysis, extraction, GC, py-GC, GC-MS) show that the material is composed of degraded crude oil. Thermal alteration has been limited whereas biodegradation, probably during migration or earlier trapping, has been severe. The oil was apparently generated from a source rock dominated by terrestrially derived organic matter, probably deposited in a lacustrine environment. Several geochemical parameters suggest saline rather than freshwater conditions in the lakes. Based on tectonic setting and knowledge on existing sediments in the region several possibilities for the source exist. The most likely source rock seems to be of Late Palaeozoic age.

KW - Greenland

KW - North-East Greenland

KW - Greenland

KW - North-East Greenland

U2 - 10.22008/gpub/28203

DO - 10.22008/gpub/28203

M3 - Report (publicly available)

T3 - Open File Series Grønlands Geologiske Undersøgelse

BT - Oil seep in basement, Germania Land, North-East Greenland

PB - GGU

CY - Copenhagen

ER -

Oil seep in basement, Germania Land, North-East Greenland

Resumé

Publikationsserier

Emneord

Programområde

Adgang til dokumentet

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Citationsformater