نتایج جستجو برای: lowstand

تعداد نتایج: 110  

Journal: :Geological Survey of Denmark and Greenland (GEUS) Bulletin 1969

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه 1389

چکیده ندارد.

Journal: :Quaternary Science Reviews 2023

Located at the triple junction of Pacific, Eurasian and Sunda plates, Island Sulawesi in Indonesia is one most tectonically active places on Earth. This highlighted by recurrence devastating earthquakes such as 2018 Mw 7.5 earthquake that damaged city Palu caused several thousand fatalities central Sulawesi. The majority large-magnitude are related to stress release along major strike-slip faul...

2011
S. J. MAZZULLO

Lithostratigraphy, depositional facies architecture, and diagenesis of upper Pliocene to Holocene carbonates in northern Belize are evaluated based on a ca 290 m, continuous section of samples from a well drilled on Ambergris Caye that can be linked directly to outcrops of Pleistocene limestone, and of overlying Holocene sediments. Upper Pliocene outer-ramp deposits are overlain unconformably b...

Journal: :Cretaceous Research 2021

Twenty-two ammonite species are identified in the upper Albian Mortoniceras ( Subschloenbachia ) rostratum , perinflatum and Stoliczkaia Shumarinaia africana Zones, lower Cenomanian Mantelliceras mantelli Zone. The Placenticeras Saadensis Thomas (Thomas Peron, 1890, 1890 is revised, including Engonoceras Thomasi Pervinquière, 1907, placed within genus Hypengonoceras Spath, 1922. This accurate b...

Journal: :Quaternary Science Reviews 2022

This paper provides a review of the dates used to define major hydrologic changes in Caspian Sea during Late Pleistocene that includes Early Khvalynian and Hyrcanian highstands Atelian lowstand, it discusses their driving mechanisms. Dates obtained by 14C (that are most numerous), OSL U/Th for samples well identified literature through geographic location laboratory number, considered. Samples ...

Journal: :Geophysical Research Letters 2021

Subglacial lakes are bodies of water that form at the base ice sheets and glaciers. Ice-surface elevation above these responds to volume changes, providing one few ways monitor subglacial hydrological systems. Here, we use numerical models compare surface elevation-derived estimates subglacial-lake length, water-volume change, highstand or lowstand timing with their true values. Because flow in...

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