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Effects of evaporite removal on the mass properties of limestone
Abstract A considerable thickness of anhydrite has been removed by solution from Magnesian Limestone of County Durham in North-east England. To the west the extent of the anhydrite was formerly limited by the front of the well known Permian reef complex. The anhydrite beds thickened to the east and have been proved in borings a few miles offshore. Solution of the anhydrite has been ascribed to circulating groundwaters. The general circulation, and hence solution of anhydrite, would have been limited to the east by the fresh to saltwater interface approximately coincident with the present coastline. By using the methods available for predicting ground strains and subsidence associated with the underground mining of coal seams, it is possible to predict:the direction and position of maximum surface strain in the limestones above the anhydritethe localiation of brecciation in the associated limestones as the anhydrite was removed. The resultant changes in the mass properties of the formerly well-bedded limestones are described and discussed.
Effects of evaporite removal on the mass properties of limestone
Abstract A considerable thickness of anhydrite has been removed by solution from Magnesian Limestone of County Durham in North-east England. To the west the extent of the anhydrite was formerly limited by the front of the well known Permian reef complex. The anhydrite beds thickened to the east and have been proved in borings a few miles offshore. Solution of the anhydrite has been ascribed to circulating groundwaters. The general circulation, and hence solution of anhydrite, would have been limited to the east by the fresh to saltwater interface approximately coincident with the present coastline. By using the methods available for predicting ground strains and subsidence associated with the underground mining of coal seams, it is possible to predict:the direction and position of maximum surface strain in the limestones above the anhydritethe localiation of brecciation in the associated limestones as the anhydrite was removed. The resultant changes in the mass properties of the formerly well-bedded limestones are described and discussed.
Effects of evaporite removal on the mass properties of limestone
Dearman, W. R. (author) / Coffey, J. R. (author)
1981
Article (Journal)
Electronic Resource
English
BKL:
56.00$jBauwesen: Allgemeines
/
38.58
Geomechanik
/
38.58$jGeomechanik
/
56.20
Ingenieurgeologie, Bodenmechanik
/
56.00
Bauwesen: Allgemeines
/
56.20$jIngenieurgeologie$jBodenmechanik
RVK:
ELIB18
Effects of evaporite removal on the mass properties of limestone
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