Results 31 to 40 of about 20,814 (259)

Features of the mineralogical composition of solod and solod meadow-chestnut soil, the case of soils of the liman depression at Dzhanybek research station of the Institute of Forest Science RAS

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2023
The structure of the soil cover at the territory of the clayey semidesert of the Northern Caspian Sea is represented by triparted soil complex and peculiar soils like solod.
E. B. Varlamov   +4 more
doaj   +1 more source

Was the Kalkarindji Continental Flood Basalt Province a Driver of Environmental Change at the Dawn of the Phanerozoic?

open access: yesGeophysical Monograph Series, Page 435-447., 2021

Exploring the links between Large Igneous Provinces and dramatic environmental impact

An emerging consensus suggests that Large Igneous Provinces (LIPs) and Silicic LIPs (SLIPs) are a significant driver of dramatic global environmental and biological changes, including mass extinctions.
Peter E. Marshall   +2 more
wiley  

+1 more source

Vermiculitisation expérimentale d'une chlorite [PDF]

open access: yes, 1972
An oxidized iron-rich chlorite (II b polytype ) has been altered in presence of saline, oxidizing and reducing solutions as well as by alternating oxidizing and reducing conditions.
Makumbi, L., Herbillon, Adrien-Jules
core   +1 more source

Experimental diagenesis using present-day submarine turbidite sands

open access: yesFrontiers in Earth Science, 2022
Hydrothermal-reactor experiments were conducted to investigate the potential formation of chlorite and microquartz grain coatings on detrital quartz and feldspar grains, and to understand their role in inhibiting the formation of quartz and feldspar ...
Abdulwahab Muhammad Bello   +6 more
doaj   +1 more source

Freshwater sensitivity of corrensite and chlorite/smectite in hydrocarbon reservoirs - an ESEM study [PDF]

open access: yes, 1994
An Environmental Scanning Electron Microscope (ESEM) has been used to investigate the freshwater sensitivity of secondary corrensite (regularly interstratified chlorite/smectite) and chlorite-rich chlorite/smectite in order to determine whether ...
Uwins, P. J. R.   +2 more
core   +1 more source

Integrated TEM, XRD and electron-microprobe investigation of mixed-layer chlorite smectite from the Point-Sal ophiolite, California [PDF]

open access: yes, 1991
Five basalt samples from the Point Sal ophiolite, California, were examined using HRTEM and AEM in order to compare observations with interpretations of XRD patterns and microprobe analyses.
I. D. R. MACKINNON   +7 more
core   +1 more source

Characteristics of chlorites from the Haopinggou Ag–Au polymetallic deposit in the Xiong’ershan ore concentration area and its exploration implications

open access: yesDizhi lixue xuebao
Objective  The Haopinggou Ag-Au polymetallic deposit is a typical intermediate-sulfidation epithermal deposit in the Xiong'ershan ore concentration area. Ag-Pb-Zn mineralization mainly occurs in steeply dipping veins and breccia matrix.
LIU Songyan   +9 more
doaj   +1 more source

Predicted reconstruction of the profile distribution of minerals according to the content of the stable component in the crust light solonetz of dry-steppe zone in the south of Russia

open access: yesБюллетень Почвенного института им. В.В. Докучаева, 2021
On the basis of detailed, conjugated, qualitative and quantitative analysis of clay and clastogenic minerals of the crust solonetz of the Volga region, the profile composition of minerals is calculated according to the content of a stable component.
E. B. Varlamov   +2 more
doaj   +1 more source

Dehydroxylation Kinetics of Clay Minerals and Its Application to Friction Heating Along an Imbricate Thrust in an Accretionary Prism

open access: yesGeochemistry, Geophysics, Geosystems, 2018
Dehydroxylation of clay minerals within fault gouges is significant for assessing transient thermogenesis due to high‐velocity, frictional slip along fault zones.
Hirokazu Masumoto   +5 more
doaj   +1 more source

(Table S5) Chlorite and chlorite-smectite compositions of Pito Deep samples [PDF]

open access: yes, 2008
(Table S5) Chlorite and chlorite-smectite compositions of Pito Deep ...
Karson, Jeffrey A   +9 more
core   +1 more source

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