DOI: 10.1007/s00531-014-0999-4
Scopus记录号: 2-s2.0-84896548715
论文题名: Origin and deformation of intra-salt sulphate layers: An example from the Dutch Zechstein (Late Permian)
作者: Biehl B.C. ; Reuning L. ; Strozyk F. ; Kukla P.A.
刊名: International Journal of Earth Sciences
ISSN: 14373254
出版年: 2014
卷: 103, 期: 3 起始页码: 697
结束页码: 712
语种: 英语
英文关键词: Anhydrite
; Bromine geochemistry
; Evaporite
; Polyhalite
; Salt tectonics
; Southern Permian Basin
Scopus关键词: anhydrite
; bromine
; deformation mechanism
; evaporite
; geochemistry
; salt tectonics
; sulfate
; Zechstein
; Netherlands
; Permian Basin
; United States
英文摘要: From salt mine galleries and well data it is known that thick rock salt layers can contain anhydrite and carbonate layers with thicknesses on the millimetre to tens of metre scale. The relatively thick Zechstein 3 anhydrite-carbonate layer in the northern Netherlands has been studied previously using 3-D seismic data. Observations from geophysical well logs in this study reveal the presence of thin sulphate layers on the sub-seismic scale imbedded in the Zechstein 2 (Z2) salt. Core samples, thin sections, seismic data and geochemical measurements were used to determine the mineralogy and origin of one of these Z2 sulphate layers. Bromine analyses show that they mark a freshening event in the Z2 salt, which can be correlated over large distances in the northern Netherlands. Their core-calibrated log signature indicates that the Z2 sulphate layers consist either of pure anhydrite or of anhydrite and polyhalite. The mineralogy and thickness of the sulphate layers are interpreted to vary between synsedimentary morphologic lows (thin anhydrite-polyhalite couplets) and highs (thicker anhydrite layers). Such a combination of core observations and well log analysis is a powerful tool to detect lateral trends in evaporite mineralogy and to reconstruct the environmental setting of their formation. Salt internal geometries can further be used to distinguish between different deformation mechanisms. In our study area, the distribution of sulphate layers within the Z2 salt indicates that subjacent salt dissolution was not the dominant process leading to salt-related deformation. © 2014 Springer-Verlag Berlin Heidelberg. URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84896548715&doi=10.1007%2fs00531-014-0999-4&partnerID=40&md5=75c8bc44d2ada4404156261b0fb40931
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/70468
Appears in Collections: 影响、适应和脆弱性 气候减缓与适应
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作者单位: Energy and Mineral Resources Group (EMR), Geological Institute, RWTH Aachen University, Wuellnerstraße 2, 52056 Aachen, Germany
Recommended Citation:
Biehl B.C.,Reuning L.,Strozyk F.,et al. Origin and deformation of intra-salt sulphate layers: An example from the Dutch Zechstein (Late Permian)[J]. International Journal of Earth Sciences,2014-01-01,103(3)