Results 51 to 60 of about 131,970 (167)

Geochemical and hydrocarbon generation evolution characteristics of marine-continental transitional facies shale: a case study of the Lower Permian Shanxi Formation in the Daning-Jixian area, eastern margin of Ordos Basin

Shiyou shiyan dizhi
To clarify the geochemical and hydrocarbon evolution characteristics of marine-continental transitional facies shale, the shale in the Lower Permian Shanxi Formation of the Daning-Jixian area in the eastern margin of the Ordos Basin was taken as the ...
Yangyang ZHANG, Yong LI, Xueying ZHANG, Liyuan LUO, Qingbo HE, Shuxin LI, Xiangjun LIU, Xiang LI, Xingtao LI, Qiang YANG, Shijia CHEN, Jungang LU, Nan ZHANG, Zhe LIU, Ruiyang YU, Haichuan MA   +15 more
doaj   +1 more source

Geochemical characterization and protolith restoration of Permo-Triassic graphite-bearing schists at Band-e-Cherk district, Kuh-e-Dom metamorphic zone [PDF]

پترولوژی
Introduction Schist and gneiss metamorphic rocks, especially in orogenic belts, mainly host microcrystalline, amorphous, and flaky graphite deposits in the Earth’s crust.
Majid Ghasemi Siani, Hamed Ebrahimi Fard, Amirhosein Heidari Bafruie, Behrouz Karimi Shahraki, Shahriar mahmoudi   +4 more
doaj   +1 more source

Geochemical analysis of Cenozoic fossil conifers at high latitudes: Implications for molecular preservation and environmental change [PDF]

, 2010
Fossil materials record ancient life and their adapted environment. Arctic plant fossils are critical for our understanding of the Earth’s paleoenvironment when high latitudes were under ice-free conditions.
Witkowski, Caitlyn
core   +1 more source

GEOECOLOGICAL BASIS FOR THE ORGANIZATION OF MONITORING OF THE NORTHERN URBANIZED TERRITORIES (BY THE EXAMPLE OF PETROZAVODSK)

Transactions of the Karelian Research Centre of the Russian Academy of Sciences, 2016
The Geochemistry of the snow cover, soils and near-surface sediments, groundwater,biogeochemical and morphological characteristics of herbaceous communities in different functional zones of the city were studied in Petrozavodsk.
Natalia Krutskikh, Galina Borodulina, Natalia Kaznina, Yulia Batova, Pavel Riazantcev, Gulnara Akhmetova, Sergey Novikov, Irina Kravchenko   +7 more
doaj   +1 more source

Geochemical Characteristics and Uranium Neutral Leaching through a CO₂ + O₂ System—An Example from Uranium Ore of the ELZPA Ore Deposit in Pakistan

Metals, 2020
Geochemical characterization studies and batch leaching experiments were conducted to explore the effects of a CO2 + O2 leaching system on uranium (U) recovery from ores obtained from an eastern limb of Zinda Pir Anticline ore deposit in Pakistan.
Fiaz Asghar, Zhanxue Sun, Gongxin Chen, Yipeng Zhou, Guangrong Li, Haiyan Liu, Kai Zhao   +6 more
doaj   +1 more source

Geochemical characteristics and source analysis of crude oil from Archean buried hill JZ25-1S in Liaoxi Low Uplift

Shiyou shiyan dizhi, 2020
The physical properties, group composition, stable carbon isotope, and biomarker compound distribution characteristics of crude oil in the Archean buried hill were studied and compared with the geochemical characteristics of Paleogene crude oil, in order
Tingting ZHAO, Xiaoping LUO, Piao WU, Yunlong XU, Jian LUO, Yanxu SUN   +5 more
doaj   +1 more source

Assessment of metals behaviour in industrial soil using sequential extraction, multivariable analysis and a geostatistical approach [PDF]

, 2017
The main objectives of this studywere to evaluate the degree of Pb, Cu, Zn, Cd, Cr and Ni pollution using pollution indexes and geostatistical approach, and to assess metals dynamic using sequential extraction procedure and multivariable statistical ...
Acosta Avilés, José Alberto, Faz Cano, Ángel, Gabarrón Sánchez, María, Martínez Martínez, Silvia, Zornoza Belmonte, Raúl   +4 more
core   +2 more sources

Geochemical characteristics of produced water from coalbed methane wells and its influence on productivity in Laochang Coalfield, China

Open Geosciences, 2020
The water produced from the coalbed methane (CBM) wells contains abundant geochemical information, which is of great significance in evaluating the productivity of these wells.
Du Mingyang, Wu Caifang, Zhou He, Zhang Shasha, Zhang Erchao   +4 more
doaj   +1 more source

Discovery and geochemical characteristics of Chang 7 source rocks from the eastern margin of a Triassic lacustrine basin in the Ordos Basin

Shiyou shiyan dizhi, 2020
Previous studies of source rocks in the Triassic Yanchang Formation in the Ordos Basin were mainly focused on the inner part of the basin, especially on the depocenter and its surrounding areas.
Zaihua HAN, Jingzhou ZHAO, Xuangang MENG, Zhenzhen SHEN, Rongguo YANG, Heng ZHANG, Feilong GAO   +6 more
doaj   +1 more source

Glass in the submarine section of the HSDP2 drill core, Hilo, Hawaii [PDF]

, 2004
The Hawaii Scientific Drilling Project recovered ~3 km of basalt by coring into the flank of Mauna Kea volcano at Hilo, Hawaii. Rocks recovered from deeper than ~1 km were deposited below sea level and contain considerable fresh glass. We report electron
Baker, Michael, Garcia, Michael, Seaman, Caroline, Sherman, Sarah, Stolper, Edward   +4 more
core   +1 more source