Results 51 to 60 of about 21,819 (231)

Geochemistry and Geochronology of Magmatic Rocks in Southwestern and Northeastern Cambodia: Implications for the Tectonic Evolution and Metallogenesis of the Loei Fold Belt

open access: yesGeological Journal, EarlyView.
The composition of intrusive rocks suggests that the magma was likely generated in a subduction‐related setting. The arc crustal thickness in the Phnom Sro Ngam and Halo Prospects was probably < 40 km during emplacement. Zircon U–Pb age range indicates a correlation with Loei Fold Belt magmatic activity.
Sirisokha Seang   +6 more
wiley   +1 more source

Megaturbidites and the late Quaternary regional sedimentology of the eastern and central Mediterranean Sea

open access: yes, 2000
The late Quaternary sedimentology of the Mediterranean is controlled primarily by fluctuations in global climate and sea level, and by an overriding compressive regime between the Eurasian and African plates. Local variations in this convergence have led
Reeder, M.S.
core   +1 more source

Late Pleistocene Volcanic Rocks From Tengchong Volcanic Field at SE Tibetan Plateau: Constraints on Petrogenesis and Mantle and Crustal Processes

open access: yesGeological Journal, EarlyView.
Early zircon saturation and crystallisation occur in mafic (52–54 wt.% SiO2) lavas at Tengchong volcanic field. These early formed zircons with high δ18O (6.6‰–7.9‰) indicates mantle enrichment by subducted supracrustal materials. ABSTRACT Late Pleistocene (< 0.2 Ma) mafic and evolved volcanic rocks occur in northern Tengchong Volcanic Field, SE ...
Lizhu Wang, Haibo Zou
wiley   +1 more source

Sedimentology of core PS1467-1

open access: yes, 1997
Sedimentology of core PS1467-
Cordes, Dieter   +3 more
core   +1 more source

A Reassessment of Petrochemistry of ~1.2 Ga Tonalitic Rocks of the Northern Tugela Terrane, Natal Metamorphic Belt, South Africa: Further Constraints on the Evolution of This Belt

open access: yesGeological Journal, EarlyView.
Our petrochemical studies on ~1.2 Ga granitoids of the Natal Metamorphic Belt, South Africa, do not suggest any property similar to Phanerozoic‐style subduction‐related granitoids. Plot of Kotongweni Tonalite in Y versus Sr diagram (after Moyen 2011), note that most samples have Sr/Y < 50.
Palesa Leuta   +2 more
wiley   +1 more source

The Knowledge and Application of Sedimentary Conditions of Shallow Marine and Tidal Waters of Ionian Islands, Greece: Implications for Therapeutic Use

open access: yesGeosciences
This study delves into the sedimentation mechanisms governing mud deposits in shallow marine and tidal environments, with a particular focus on elucidating the versatile therapeutic applications of these muds. This research provides valuable insights for
Chrysanthos Botziolis   +9 more
doaj   +1 more source

Sedimentology and marine geology of the Banda Arc, Eastern Indonesia [PDF]

open access: yes, 1992
The aim of this study is to analyze and to relate several aspects of the sedimentological, petrological and geotechnical characteristics of the Quaternary sea floor lithofacies deposited in tectonically active basins in the Banda Sea region.
Sedimentology   +3 more
core   +1 more source

Sedimentology of core PS1451-1

open access: yes, 1997
Sedimentology of core PS1451-
Cordes, Dieter   +3 more
core   +1 more source

Characteristics of Gravity Flow Deposits in the Benin Basin (Benin) and Implications for Oil and Gas Exploration

open access: yesGeological Journal, EarlyView.
This study reveals that the underexplored Benin Basin features a narrow shelf and steep slope, which promoted the development of multi‐phase, stacked channel‐lobe complexes. These gravity flow deposits, further enhanced by bottom current reworking, reveal a significant undiscovered Upper Cretaceous stratigraphic play with considerable petroleum ...
Liu Zuodong   +4 more
wiley   +1 more source

Sedimentology of core PS1466-1

open access: yes, 1997
Sedimentology of core PS1466-
Cordes, Dieter   +3 more
core   +1 more source

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