Results 11 to 20 of about 28,555 (287)

Palaeoproterozoic magnesite: lithological and isotopic evidence for playa/sabkha environments [PDF]

, 2001
Magnesite forms a series of 1- to 15-m-thick beds within the approximate to2.0 Ga (Palaeoproterozoic) Tulomozerskaya Formation, NW Fennoscandian Shield, Russia.
Fallick, A.E., Anthony E. Fallick, Fallick, A., Vladimir V. Makarikhin, Medvedev, P.V., Makarikhin, V.V., Victor A. Melezhik, Melezhik, V.A., Pavel V. Medvedev   +8 more
core   +1 more source

Origin of the penecontemporaneous sucrosic dolomite in the Permian Qixia Formation, northwestern Sichuan Basin, SW China

Petroleum Exploration and Development, 2020
The characteristics, formation time, and origin of the sucrosic dolomite reservoirs in the Permian Qixia Formation of northwestern Sichuan Basin are analyzed.
Feifan LU, Xiucheng TAN, Yuan ZHONG, Bing LUO, Benjian ZHANG, Ya ZHANG, Minglong LI, Di XIAO, Xiaofang WANG, Wei ZENG   +9 more
doaj   +1 more source

Comparison of the effectiveness of natural dolomite and modified dolomite in the removal of heavy metals from aqueous solutions [PDF]

Journal of Advances in Environmental Health Research, 2019
Presence of heavy metals in water resources is a critical environmental challenge in various communities. To date, various methods have been applied to remove heavy metals, such as the use of cost-efficient materials.
Zeinab Imen, Amir Hessam Hassani, Seyyed Mehdi Borghaee   +2 more
doaj   +1 more source

First discovery of dolomite and magnesite in living coralline algae and its geobiological implications [PDF]

Biogeosciences, 2011
Dolomite is a magnesium-rich carbonate mineral abundant in fossil carbonate reef platforms but surprisingly rare in modern sedimentary environments, a conundrum known as the "Dolomite Problem".
M. C. Nash, U. Troitzsch, B. N. Opdyke, J. M. Trafford, B. D. Russell, D. I. Kline   +5 more
doaj   +1 more source

Responses of soybean, Glycine max (L.) Merr. to dolomite and calcite fertilization in an upland field converted from a paddy field

Plant Production Science, 2023
Dolomite [CaMg(CO3)2] is used widely for soybean, Glycine max (L.) Merr. production in Japan to amend soil pH, although magnesium (Mg) in the dolomite can inhibit soybean growth and yield.
Akira Takamoto, Tomoki Takahashi, Kazuki Togami, Ai Hishinuma   +3 more
doaj   +1 more source

Origin and diagenetic evolution of dolomites in Paleogene Shahejie Formation lacustrine organic shale of Jiyang Depression, Bohai Bay Basin, East China

Petroleum Exploration and Development, 2022
The origin of dolomite in Shahejie Formation shale of Jiyang Depression in eastern China were studied by means of petrologic identification, compositional analysis by X-ray diffraction, stable carbon and oxygen isotopic composition, and trace element and
Jianbin TENG, Longwei QIU, Shoupeng ZHANG, Cunfei MA   +3 more
doaj   +1 more source

Utilization of waste dolomite dust in carbon fiber reinforced vinylester composites

Journal of Materials Research and Technology, 2022
The present study was designed to explore the applicability of dolomite dust (a waste from a dolomite quarry) as filler in polymer composites. Therefore, fixed carbon fiber reinforced vinyl ester composites with varying dolomite dust proportions (0, 5 ...
Brijesh Gangil, Lalit Ranakoti, Shashi Kant Verma, Tej Singh   +3 more
doaj   +1 more source

Examining the Ability of Aerobic Halophilic Heterotrophic Microbial Consortia to Replace Ca by Mg in Different CaCO3 Precursors

Frontiers in Microbiology, 2022
Recent laboratory experiments have exhibited microbes as promising agents in solving the perplexing origin of ancient dolomite by demonstrating microbial capability to mediate dolomite nucleation and growth.
Ammar Alibrahim, Maria Dittrich
doaj   +1 more source

Concrete Modification for Hot Weather Using Crushed Dolomite Stone

Buildings, 2023
Crushed dolomite stone can be used as a part of concrete for hot weather. Fine dolomite as a filler is not commonly included in Portland cement. In this paper, the properties of a blended binder based on Portland cement and dolomite filler are presented.
Svetlana V. Samchenko, Oksana A. Larsen, Irina V. Kozlova, Dmitriy G. Alpackiy, Dheyaa A. N. Alobaidi   +4 more
doaj   +1 more source

Revealing drivers for the dynamic changes of dissolved organic matter in karst cave water through optical properties

Journal of Hydrology: Regional Studies
Study Region: Mahuang Cave is located in Suiyang County, Zunyi City, Guizhou Province, Southwest China. It is a first-level branch cave of Shuanghe Cave(the longest dolomite cave worldwide).
Xiaoduo Wang, Zhongfa Zhou, Hui Dong, Dandan Li, Yong Xiong, Shengjun Ding, Jijuan Wang, Ju Wang, Yi Huang   +8 more
doaj   +1 more source