GEOTHERMAL TECHNOLOGIES LEGACY COLLECTION - Bibliographic Citation


Bibliographic Citation


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Title: Preliminary Safety Analysis of the Gorleben Site: Geological Database - 13300
Creator/Author: Weber, Jan Richard ; Mrugalla, Sabine ; Dresbach, Christian ; Hammer, Joerg [Federal Institute for Geosciences and Natural Resources (BGR), 30655 Hannover, Stilleweg 2 (Germany)]
Publication Date:2013 Jul 01
OSTI Identifier:OSTI 22225032
Report Number(s):INIS-US--13-WM-13300
DOE Contract Number:
Document Type:Conference
Specific Type:Conference
Coverage:
Resource Relation:Conference: WM2013: Waste Management Conference: International collaboration and continuous improvement, Phoenix, AZ (United States), 24-28 Feb 2013; Other Information: Country of input: France; 4 refs.
Other Number(s):
Research Org:WM Symposia, 1628 E. Southern Avenue, Suite 9-332, Tempe, AZ 85282 (United States)
Sponsoring Org:
Subject:12 MANAGEMENT OF RADIOACTIVE WASTES, AND NON-RADIOACTIVE WASTES FROM NUCLEAR FACILITIES; 58 GEOSCIENCES; ANHYDRITE; CREEP; GEOTHERMAL EXPLORATION; GORLEBEN SALT DOME; HALITE; HIGH-LEVEL RADIOACTIVE WASTES; HUMIDITY; HYDROCARBONS; LIQUIDS; ROCKS; SAFETY ANALYSIS; SALTS
Keywords:
Description/Abstract:The Gorleben salt dome is 4 km wide and nearly 15 km long. It is composed of different salt rock types of the Zechstein (Upper Permian) series and extends to the Zechstein basis in a depth of more than 3 km. In the course of the salt dome formation the salt was moved several kilometers. During the uplift of the salt the initially plane-bedded strata of the Zechstein series were extensively folded. In this process anhydrite as a competent layer was broken to isolated blocks. In the core of the salt dome the Hauptsalz, which is characterized by a particularly high creeping capacity, forms a homogeneous halite body with a volume of several cubic kilometres. The Hauptsalz contains gaseous and liquid hydrocarbons in separated zones of decimeter to meter dimensions. The overall hydrocarbon content is far below 0.01 %. At the flanks the salt dome consists of salt rocks with lower creeping capacities. Brine reservoirs with fluid volumes in the range of liters to hundreds of cubic meters exist in certain regions of this part of the salt dome. The water content of the Hauptsalz is below 0.02 %. Interconnected pores do not exist in the salt rock outside of fluid bearing or fractured areas, i.e. the salt rock is impermeable. The exploration of the Gorleben site as a potential site for a HLW-repository started in 1979 and is still in progress. To date no scientific findings contest the suitability of the site for a safe HLW-repository. (authors)
Publisher:
Country of Publication:US
Language:English
Size/Format:Medium: X; Size: 11 page(s)
Rights:
Availability:Available from: WM Symposia, 1628 E. Southern Avenue, Suite 9-332, Tempe, AZ 85282 (US)
System Entry Date:2014 May 01
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