Results 51 to 60 of about 18,553 (211)

Biostratigraphy of the Danian/Selandian transition: A case study from Kamestan anticline section, northwest of Izeh city in Khuzestan province, Southern Iran [PDF]

open access: yes, 2010
The planktonic foraminifera turnover across the Danian-Selandian boundary (early to late Paleocene, ~60 Ma) has been studied in the Kamestan anticline section. The studied interval span planktonic foraminifera zones P2-P3.
Nasrin Hadavandkhani, Abbas Sadeghi
core  

"Hot and sticky" and "cold and damp" pyroclastic eruptions, and their relationship with topography: valley- and lake-filling ignimbrites, Ardnamurchan, NW Scotland

open access: yesVolcanica
Pyroclastic density currents are complex mixtures of rock, ash and gas and represent significant hazards at many active volcanoes worldwide. Ignimbrites are the deposits of pyroclastic density currents and can be used to record the eruption dynamics and ...
David Brown   +3 more
doaj   +1 more source

Palynology and stratigraphy of the thick evaporate-bearing Shashi Formation in Jiangling Depression, Jianghan Basin of South China, and its paleoclimate change

open access: yesChina Geology, 2020
: In the greater inland Jianghan Basin of South China, three salt depressions are lacking accurate geological times, of which Jiangling Depression is the largest.
Chun-lian Wang   +4 more
doaj   +1 more source

Results of magnetostratigraphic study of the Lower Syzran subformation (Paleocene) in the north of the Saratov Right Bank (Gremyachka and Kluchy-2 sections) [PDF]

open access: yesИзвестия Саратовского университета. Новая серия: Серия Науки о Земле
The results of petromagnetic and paleomagnetic studies of two sections of the Lower Syzran subformation (Paleocene) – Gremyachka and Klyuchi-2, located in the north of the Saratov Right Bank and represented by weakly magnetic silicites, are ...
Shelepov, Dmirtiy Aleksandrovich
doaj   +1 more source

Site 1221

open access: yes, 2002
Site 1221 (12°01.999´N, 143°41.572´W; 5175 meters below sea level (mbsl); Fig. F1) forms an equatorial component of the 56-Ma transect drilled during Leg 199 and is situated about three-quarters of the way between the Clipperton and Clarion Fracture ...
Lyle, M.   +27 more
core   +1 more source

Characteristics and exploration potential of shale oil reservoir in the Upper Member of the Xiaganchaigou Formation in the Ganchaigou area, western Qaidam Basin

open access: yes地质科技通报
Objective Well C902, located in the Ganchaigou area of the western Qaidam Basin, achieved a breakthrough in shale oil exploration as indicated by the high-production oil flow in the Ⅳ-Ⅵ layers of the Upper Member of the Palaeogene Xiaganchaigou Formation.
Jianhong HUANG   +6 more
doaj   +1 more source

A Paleocene lowland macroflora from Patagonia reveals significantly greater richness than North American analogs [PDF]

open access: yes, 2007
Few South American macrofloras of Paleocene age are known, and this limits our knowledge of diversity and composition between the end-Cretaceous event and the Eocene appearance of high floral diversity.
Johnson, Kirk R.   +6 more
core   +1 more source

In Situ Cercidiphyllum-like Seedlings from the Paleocene of Alberta, Canada.

open access: yes, 1983
Fossil seedlings and seeds of an extinct Cercidiphyllum-like plant occur in the Paskapoo Formation (Late Paleocene) at Joffre Bridge near Red Deer, Alberta. Cotyledon and early seedling leaf stages are preserved in growth position.
Crane, P.A., Stockey, R.A.
core   +1 more source

The utility of deep-water agglutinated Foraminiferal acmes for correlating Eocene to Oligocene abyssal sediments in the North Atlantic and Western Tethys [PDF]

open access: yes, 2005
Quantitative analysis of Deep-water Agglutinated Foraminifera (DWAF) assemblages from key ODP sites in the North Atlantic reveal the presence of stratigraphically-significant abundance maxima, that may be useful for correlating sedimentary sequences ...
Kaminski, M.A.
core  

Paleocene-Eocene Thermal Maximum (PETM) Dinoflagellate cyst assemblages of ODP Hole 159-959D

open access: yes, 2018
Paleocene-Eocene Thermal Maximum (PETM) Dinoflagellate cyst assemblages of ODP Hole 159 ...
Steven M Bohaty (6963266)   +13 more
core   +1 more source

Home - About - Disclaimer - Privacy