搜索结果: 1-5 共查到“地球科学总论 Lower Cretaceous”相关记录5条 . 查询时间(0.112 秒)
Izmirella cretacea nov. gen.,nov. sp.,a complex alga from the Lower Cretaceous,NE of Bornova-Izmir/Turkey
Algae Izmirella Cretaceous Izmir Turkey
2009/12/7
Izmirella cretacea nov. gen., nov. sp., a complex alga, forming microbioherms is described from Barremian - Aptian platform carbonates of the "Bornova block", an allodapic unit derived from the northe...
On some Salpingoporella species from the Lower Cretaceous of Dinaric karst
Dasycladales Salpingoporella taxonomy biogeography Lower Cretaceous Dinarides Croatia
2009/12/7
In this paper a new species Salpingoporella tari n.sp. is established, found in a sample of Barremian intraclastic grainstone. It is similar to S. annulata (LORENZ) and S. grudii (RADOI?I?), but visib...
Tracking polar dinosaurs-new finds from the Lower Cretaceous of Svalbard
polar dinosaurs-new finds Lower Cretaceous Svalbard
2009/12/3
A new discovery of ornithopod dinosaur tracks from Svalbard is described. The Lower Cretaceous (Barremian) section at Isfjorden consists of sandstones and interbeds consistent with an alluvial flood p...
Lower Cretaceous palynostratigraphy and dinoflagellate cyst palaeoecology in the Siberian palaeobasin
Lower Cretaceous palynostratigraphy dinoflagellate cyst palaeoecology Siberian palaeobasin
2009/12/2
Palynological analysis of Lower Cretaceous (Berriasian-Barremian) sections from North Siberia allows definition of detailed dinocyst and sporepollen zonations, which are calibrated against the establi...
Lower Cretaceous lithostratigraphy across a regional subaerial unconformity in Spitsbergen:the Rurikfjellet and Helvetiafjellet formations
Lower Cretaceous lithostratigraphy regional subaerial unconformity Rurikfjellet and Helvetiafjellet formations
2009/12/2
During development of the Lower Cretaceous succession in the Spitsbergen domain of the epicontinental Boreal Basin, a fall in relative sea-level caused a major subaerial unconformity to form. This unc...