globalchange  > 过去全球变化的重建
DOI: 10.1306/02071210123
Scopus记录号: 2-s2.0-84866885478
论文题名:
Outcrop-constrained hydrogeological simulations of brine reflux and early dolomitization of the Permian San Andres Formation
作者: Garcia-Fresca B.; Jerry Lucia F.; Sharp Jr. J.M.; Kerans C.
刊名: AAPG Bulletin
ISSN: 0149-1736
EISSN: 1558-9466
出版年: 2012
发表日期: 2012
卷: 96, 期:9
起始页码: 1757
结束页码: 1781
语种: 英语
Scopus关键词: Brine circulation ; Dolomitization ; Dolostones ; Effective mechanisms ; Heterogeneous distributions ; Hydrogeological ; Mass balance ; Model tests ; Outcrop data ; Permian ; Petrophysical properties ; Relative sea level ; Hydrogeology ; Magnesium ; Metals ; Solute transport ; Stratigraphy ; Sea level ; brine ; carbonate ; data set ; dolomitization ; dolostone ; heterogeneity ; hydrogeology ; magnesium ; mass balance ; model test ; outcrop ; permeability ; petrology ; salinity ; San Andreas Fault ; sequence stratigraphy ; solute transport ; California ; San Andreas ; United States
Scopus学科分类: Energy ; Earth and Planetary Sciences
英文摘要: Our hydrogeologic model tests the effectiveness of brine reflux as the mechanism for early dolomitization of the Permian San Andres Formation. Brine circulation is constrained by sequence stratigraphic parameters and a heterogeneous distribution of petrophysical properties based on outcrop data. The model simulates accumulation of the San Andres platform and calculates fluid flow and solute transport in response to relative sea level fluctuations. It tracks porosity loss caused by compaction and the concomitant permeability feedback. The amount of dolomite potentially formed is calculated by means of a magnesium mass balance between brine and rock. Results show that (1) brine reflux is an effective mechanism to deliver magnesium to dolomitize large carbonate successions; (2) relative sea level-controlled transient boundary conditions result in intricate flow and salinity patterns that can generate irregular dolomite bodies with complex spatial distributions; (3) pervasive dolomitization can result from several short-lived reflux events by the amalgamation of brine plumes sourced in different locations and times; and (4) the model successfully recreates the dolostone and limestone patterns observed in San Andres outcrops. Copyright ©2012. The American Association of Petroleum Geologists.
URL: https://www.scopus.com/inward/record.uri?eid=2-s2.0-84866885478&doi=10.1306%2f02071210123&partnerID=40&md5=e8cc39e67a2dcd4bd8084a1e19bfa0eb
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/13306
Appears in Collections:过去全球变化的重建
影响、适应和脆弱性
科学计划与规划
气候变化与战略
全球变化的国际研究计划
气候减缓与适应
气候变化事实与影响

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Recommended Citation:
Garcia-Fresca B.,Jerry Lucia F.,Sharp Jr. J.M.,et al. Outcrop-constrained hydrogeological simulations of brine reflux and early dolomitization of the Permian San Andres Formation[J]. AAPG Bulletin,2012-01-01,96(9)
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