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Karstic gypsum problems at wastewater stabilization sites in the Black Hills of South Dakota
Springer Science and Business Media LLC - Tập 12 - Trang 73-80 - 1997
Arden D. Davis, Perry H. Rahn
The Triassic Spearfish Formation contains numerous gypsum beds in which karstic conditions have developed in the Black Hills of South Dakota. The evaporite karst has caused severe engineering problems for foundations and water retention facilities, including wastewater stabilization sites. Two dramatic examples include the former sewage lagoons for the City of Spearfish and a proposed lagoon/wetla...... hiện toàn bộ
Quaternary geohistory inferred by seismic stratigraphy of a carbonate province in an active margin, off Miyako Island, south Ryukyus, Japan
Springer Science and Business Media LLC - Tập 7 - Trang 150-165 - 1992
Masayuki Obata, Yoshihiro Tsuji
High resolution seismic reflection profiles acquired at western offshore of the Miyako Island in South Ryukyus have revealed the distribution, stratigraphy and structure of the Quaternary marine carbonate deposits beneath the shelf and the shelf slope. Above the Plio-Pleistocene siliciclastic basement, five seismic units, Unit 1 to Unit 5 in descending order, were identified and correlated to the ...... hiện toàn bộ
Bromine content and Br/Cl molar ratio of halite in a core from Laos: implications for origin and environmental changes
Springer Science and Business Media LLC - Tập 34 - Trang 1107-1115 - 2019
Shurui Sun, Minghui Li, Maodu Yan, Xiaomin Fang, Gengxin Zhang, Xiaoming Liu, Zengjie Zhang
Bromine (Br) is one of the trace elements in halite. Br content and the Br/chlorine (Cl) molar ratio can be used to reveal dry climates, the degree of evaporation, and/or brine concentration. The Br content of basal halite is more useful than that the Br content of halite from later stages when being used to distinguishing marine from nonmarine origins. Evaporite deposits on the Khorat Plateau (KP...... hiện toàn bộ
The scale dependence of dispersivity in multi-facies heterogeneous formations
Springer Science and Business Media LLC - Tập 33 - Trang 161-165 - 2018
Shuning Dong, Zhenxue Dai, Jingsheng Li, Wanfang Zhou
Dispersivity, a parameter describing dispersive mixing of solutes in aquifers, is scale dependent. Macrodispersion coefficient equations are developed for solute transport in three-dimensional domains based on a general global covariance function of log conductivity in multi-facies heterogeneous formations. The longitudinal dispersivity was then derived to show the scale dependence of this paramet...... hiện toàn bộ
Silurian paleoclimate data from fluid inclusions in the Salina Group halite Michigan Basin
Springer Science and Business Media LLC - Tập 15 - Trang 28-36 - 2000
Arthur B. Losey, Kathleen Counter Benison
The Silurian Salina Group of the Michigan Basin consists of halite, carbonates, and shales. The halite was probably deposited when seawater became restricted over what is now southern Michigan. The halite consists of: (1) beds containing only chevrons, and (2) beds composed of chevron and cumulate crystals. This indicates shallow depositional waters. The primary fluid inclusions along growth bands...... hiện toàn bộ
Estimating fracture intensity in hydrocarbon reservoir: an approach using DSI data analysis
Springer Science and Business Media LLC - Tập 31 - Trang 101-107 - 2015
Vahid Zaree, M. Ali Riahi, Farhad Khoshbakht, H. Reza Hemmati
Fracture detection and evaluation in carbonate reservoirs plays an important role in reservoir development and cost optimization. The majority of Iranian hydrocarbon reservoirs are carbonates for which the detection and evaluation of fractures is crucial. Cores and image logs are usual tools of fracture studying; however, it is both technically and financially impossible to core or image the whol...... hiện toàn bộ
Vibrational spectroscopy of the borate mineral olshanskyite Ca3[B(OH)4]4(OH)2
Springer Science and Business Media LLC - Tập 29 - Trang 33-39 - 2013
Ray L. Frost, Yunfei Xi, Ricardo Scholz, Matheus da Costa Alves Pereira
The mineral olshanskyite is one of many calcium borate minerals which has never been studied using vibrational spectroscopy. The mineral is unstable and decomposes upon exposure to an electron beam. This makes the elemental analysis using EDX techniques difficult. Both the Raman and infrared spectra show complexity due to the complexity of the structure. Intense Raman bands are found at 989, 1,003...... hiện toàn bộ
Các mô hình facies carbonate lacustrine cạn trong thế Permi của bồn Aragón-Béarn (Pyrenees Tây Ban Nha - Pháp) Dịch bởi AI
Springer Science and Business Media LLC - Tập 7 - Trang 94-107 - 1992
Blas L. Valero Garcés, Josep Gisbert Aguilar
Các facies lớn và sự thiếu vắng các chuỗi hay tiểu môi trường trầm tích rõ rệt là những ấn tượng đầu tiên đặc trưng từ các lớp carbonate lacustrine cạn. Tuy nhiên, các nghiên cứu đồng bộ về sedimentology, petrology và geochemistry xác định các quá trình phức tạp và các facies cũng như hiệp hội khác nhau do sự tương tác của chúng gây ra. Bài báo này xem xét các facies carbonate lacustrine cạn từ ‘U...... hiện toàn bộ
#facies carbonate #hồ cạn #môi trường trầm tích #bồn Aragón-Béarn #Pyrenees Tây Ban Nha - Pháp.
Physicochemical time series of karst springs as a tool to differentiate the source of spring water
Springer Science and Business Media LLC - - 2005
Haji Karimi, Ezzat Raeisi, Mohammad Zare
2010
Springer Science and Business Media LLC - Tập 25 - Trang 89-89 - 2010
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