Results 11 to 20 of about 5,732,959 (308)

Geochemical characteristics and genesis of Paleozoic natural gas in the Ordos Basin

open access: yesShiyou shiyan dizhi, 2023
The geochemical characteristics and genesis of Paleozoic natural gas in the Ordos Basin are complex, with some disputes on the gas source of Lower Paleozoic. In order to better grasp the overall geochemical characteristics and variation laws of Paleozoic
Furong LI   +7 more
doaj   +1 more source

Hydrothermal activity on the summit of Loihi Seamount, Hawaii [PDF]

open access: yes, 1987
Oceanographic studies including CTD survey of warm sites and bottom photography confirmed several hydrothermal fields on the summit of Loihi Seamount, Hawaii.
Geochemical journal
core   +2 more sources

Identification of the geochemical anomalies using the catchment basin analysis: A case study of 1∶50000 geochemical survey of stream sediments in Wulasitai region, East Kunlun Orogenic Belt

open access: yes地质科技通报, 2023
Geochemical survey of stream sediments is an effective technology for mineral prospecting. The extraction of geochemical anomalies in stream sediments based on catchment basins has always been one of the research hotspots.The catchment basin analysis ...
Xiaokun Huang   +5 more
doaj   +1 more source

Geochemical characteristics and environmental implications of source rocks of the Dongying Formation in southwest subsag of Bozhong Sag

open access: yes地质科技通报, 2023
Source rocks of the Dongying Formation are widely distributed in the Bozhong Sag. It is of great significance to clarify the characteristics and paleoenvironment of the source rocks to promote conventional and unconventional oil and gas exploration in ...
Hong Yang   +6 more
doaj   +1 more source

Extracting the geochemical characteristics of magmas in different global tectono-magmatic settings using sparse modeling

open access: yesFrontiers in Earth Science, 2022
In this study, key geochemical features of magmas formed in eight different tectono-magmatic settings (mid-ocean ridges, oceanic islands, oceanic plateaus, continental flood basalt provinces, intra-oceanic arcs, continental arcs, island arcs, and back ...
Kenta Ueki   +2 more
doaj   +1 more source

Major and trace element enrichment in Kızıldere formation (Arsuz-Hatay)

open access: yesCumhuriyet Science Journal, 2021
The study area is in the Arsuz - HATAY region and the geochemical properties and deposition environment of the claystones in the Kızıldere Formation (Middle - Upper Miocene) were investigated in this study.
Meryem Yeşilot Kaplan, Esef Kılınç
doaj  

Primary geochemical characteristics of mineral deposits — Implications for exploration

open access: yesOre Geology Reviews, 2012
[Extract] The old adage 'mineral exploration is like finding a needle in a haystack' recaps the difficulty of finding economic mineral deposits near or beneath the surface. In general, two main approaches can be used to detect the presence of mineral deposits near or beneath the ground surface.
Carranza, Emmanuel John M.   +1 more
openaire   +3 more sources

Using geochemical data to understand geological processes

open access: yes, 2021
This textbook is a complete rewrite, and expansion of Hugh Rollinson's highly successful 1993 book Using Geochemical Data: Evaluation, Presentation, Interpretation. Rollinson and Pease's new book covers the explosion in geochemical thinking over the past

core   +1 more source

Characterization of Buner marble from Pakistan for construction purposes [PDF]

open access: yesInternational Journal of Mining and Geo-Engineering
The exploration and management of abundant economic mineral resources of Pakistan, particularly the vast marble deposits in the northwestern region, hold immense potential for driving economic growth.
Mohsin Raza   +4 more
doaj   +1 more source

Petrology and geochemical characteristics of amphibolite facies rocks in Xunyangba area, South Qinling Orogen, Central China

open access: yesFrontiers in Earth Science, 2023
As a tectonic block of the Qinling Orogenic Belt, Central China, the South Qinling Orogen is generally believed to have had a tight affinity with the Yangtze Block during the Precambrian.
Juanjuan Kong   +9 more
doaj   +1 more source

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