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Stratigraphic signatures of climatic change during the Holocene evolution of the Tigris朎uphrates delta, lower Mesopotamia
climatic changes Tigris朎uphrates delta sea-level fluctuations stratigraphic sequences dolomiterpalygorskite organic matter preservation
2011/11/11
Fluctuations in climate, sea level and sedimentation rates, in addition to the neotectonic activity, during the geological evolution of the Tigris朎uphrates delta 巌n the last 10,000 years. had resulted...
Geochemistry and Paragenesis of Heulandite Cements in a Miocene Marine Fan-Delta System of the Pohang Basin, Republic of Korea
Burial Fan-delta Heulandite Cement Heulandite-Clinoptilolite Meteoric Water Sr Isotope Uplift Volcaniclastic
2011/12/8
Abstract: In the Pohang area of Korea, heulandite occurs as cements in conglomerate and sandstone of a Miocene marine fan-delta system resting on Eocene dacitic volcanics. Three types of heulandite ce...
K Transfer During Burial Diagenesis in the Mahakam Delta Basin (Kalimantan, Indonesia)
Diagenesis Illitization K transfer
2011/12/23
Abstract: Progressively buried sandstones and shales of the Mahakam Delta Basin in Indonesia were studied. Mineralogical, morphological and K-Ar isotopic data were obtained for clay, mica and feldspar...
Pressure-Temperature-Composition of Illite/Smectite Mixed-Layer Minerals: Niger Delta Mudstones and other Examples
Diagenesis Geothermal gradient Illite/smectite Ordering Smectite
2012/1/12
X-ray powder diffraction (XRD) studies of the clay fraction of Upper Cretaceous mudstones from a shallow (2.5 km) drill hole in the Niger delta indicate a high geothermal gradient (about 100亱C/km) dur...