Results 61 to 70 of about 26,862 (257)

Development model and exploration practice of fault-lithologic composite traps in Oligocene Weizhou Formation, Weixinan Sag, Beibuwan Basin

open access: yesShiyou shiyan dizhi
In order to address the challenges related to exploration target search and sustainable development of oilfields in the Weixinan Sag of Beibuwan Basin, this study focused on fault-lithologic composite traps within the structural trap development section ...
Desheng HU   +6 more
doaj   +1 more source

Multiphase Tectonic Process With Slab Dynamics in the Northern East China Sea Shelf Basin

open access: yesGeological Journal, EarlyView.
Megasequence 1 characterised by Palaeocene extension and differential subsidence driven by the rollback of the subducting Izanagi Plate. Megasequence 2 records a kinematic reorganisation of the East Asian margin, transition from a rifting to a compressional regime.
Juhwan Woo   +3 more
wiley   +1 more source

Tapholyda caplani Oligocene

open access: yes, 2022
Tapholyda caplani (Cockerell, 1933) (Figs 1–6) Material. Lectotype UCM 18623 (a nearly complete wasp) (Fig. 1). Another specimen UCM 19165 also has the label ‘Holotype’ in the collection database of the Museum of Natural History of Colorado (https://invertpaleosearch.
Jouault, Corentin   +3 more
openaire   +2 more sources

Timing of initiation of reverse displacement on the Taranaki Fault, northern Taranaki Basin: Constraints from the on land record (Oligocene Te Kuiti Group) [PDF]

open access: yes, 2008
Structures associated with the wedge of basement overthrust into Taranaki Basin along the Taranaki Fault, are regarded as hydrocarbon plays and have been tested by drilling through the tip of the overthrust.
Tripathi, Anand Ratnakar Prasad   +1 more
core  

Middle Oligocene palaeoflora of Calau Beds (Germany) [PDF]

open access: yes, 2007
Middle Oligocene palaeoflora of Calau Beds ...
Mai, Dieter Hans   +1 more
core   +1 more source

Exceptionally preserved Oligocene emperor butterfly from France provides a new calibration point for Apaturinae evolution

open access: yesActa Palaeontologica Polonica
A new genus and species of emperor butterfly (Nymphalidae, Apaturinae) is described based on an exceptionally well-preserved specimen from the “Calcaire de Campagne Calavon” limestone of southern France (early Oligocene age, approximately 34–28 Mya ...
Hossein Rajaei   +4 more
doaj   +1 more source

Molecular Palaeontology Prospects From Exceptionally Preserved Eocene Brackish‐Water Bivalve Batissa sitakaraensis (Venerida: Corbiculidae) From Hokkaido, Japan

open access: yesGeological Journal, EarlyView.
This study reports the exceptional preservation of the Eocene freshwater bivalve Batissa sitakaraensis from Hokkaido, Japan. Multimodal analyses reveal that both the aragonitic shell mineralogy and the delicate organic periostracum retain their original structural and chemical characteristics after millions of years.
Taro Yoshimura   +4 more
wiley   +1 more source

V.—British Oligocene ants [PDF]

open access: yesAnnals and Magazine of Natural History, 1920
xBio:D Automated ...
openaire   +2 more sources

History of oceanic front development in the New Zealand sector of the Southern Ocean during the Cenozoic--a synthesis [PDF]

open access: yes, 2001
The New Zealand sector of the Southern Ocean (NZSSO) has opened about the Indian-Pacific spreading ridge throughout the Cenozoic. Today the NZSSO is characterised by broad zonal belts of antarctic (cold), subantarctic (cool), and subtropical (warm ...
Nelson, Campbell S.   +3 more
core   +1 more source

Microbiological Hazards Associated with the Use of Oligocene Waters: A Study of Water Intakes in Warsaw, Poland

open access: yesMicroorganisms, 2023
Oligocene waters are widely recognized as excellent sources of drinking water. Due to the belief in their good quality, the water from Oligocene intakes in Warsaw, Poland, is made available to users without prior treatment or disinfection.
Ewa Karwowska   +3 more
doaj   +1 more source

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