Results 261 to 270 of about 30,004 (307)

Lower Cretaceous Sediments From The Northwest Pacific

Science, 1966
The first occurrence of deep-sea Lower Cretaceous (Albian) sediments in the Pacific Ocean is reported from the Shatsky Rise at 31°51′N, 157°20′E. Seismic-profile records indicate that the core was taken between the extensive seismic reflectors A′ and B′.
M, Ewing, T, Saito, J I, Ewing, L H, Burckle   +3 more
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Ecology of Lower Cretaceous Chalk

Proceedings, 2012
Chalk sediments, that is here biomicrite with a porosity of 10 – 50%, are widespread in the late Cretaceous of the Boreal Realm. Chalk, however, is uncommon in the Early Cretaceous where clays and mudstones dominate for example in the Lower Saxony Basin (LSB), northeast England (Speeton) and elsewhere.
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An epiphyllous fungus from the Lower Cretaceous

Biological Journal of the Linnean Society, 1970
A fungus believed to be a member of the Microthyriales is described from the English Wealden. It occurs on the shoots of an undescribed conifer resembling Frenelopsis Schenk. From the structure of the thyrothecium and the presence of an epicuticular mycelium, the fungus is classified in the family Micropeltaceae, subfamily Stomiopeltoideae, and is ...
K. L. ALVIN, M. D. MUIR
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Brachiopods and shorelines in the Lower Cretaceous

Annals and Magazine of Natural History, 1961
Lower Cretaceous localities with abundant brachiopod faunas may indicate proximity to the shore-lines of the time and may then be used in palaeogeographic reconstructions.
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Paleomagnetism of lower cretaceous Lavas on Jamaica

Archiv für Meteorologie, Geophysik und Bioklimatologie Serie A, 1973
A small Lower Cretaceous igneous province on Jamaica has been assigned an Albian or Aptian age on the basis of the fauna of associated sediments. Despite pronounced tropical weathering, it was possible to find three reasonably fresh lava exposures, paleomagnetic investigations of which suggest that during the Lower Cretaceous period the southern ...
Peter Steinhauser, Stanislaw A. Vincenz
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Reconstruction of a Lower Cretaceous conifer

Botanical Journal of the Linnean Society, 1983
Remains of Pseudofrenelopsis parceramosa (Fontaine) Watson (Cheirolepidiaceae) from the Wealden of the Isle of Wight have been examined from the point of view of the branching and mode of growth of the plant. Evidence is presented that the tree exhibited seasonal growth and that the young extension shoots bore numerous temporary ultimate branch?
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A belemnite scale for the Lower Cretaceous

Cretaceous Research, 1990
Twenty belemnite zones are recognizable in the Lower Cretaceous of Northwest Europe. Some of these can be found in other boreal regions, but correlation with the Tethys is not possible before the Aptian.
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A hell ant from the Lower Cretaceous of Brazil

Current Biology
Modern ants are among the most ecologically dominant animal groups on Earth, with their diversity shaped by global events occurring since their origin in the late Mesozoic.1,2,3 The so-called hell ants of the subfamily Haidomyrmecinae comprise a group of morphologically unique ants exclusive to the Cretaceous.4 They represent some of the earliest known
Anderson Lepeco, Odair M. Meira, Diego M. Matielo, Carlos R.F. Brandão, Gabriela P. Camacho   +4 more
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Nummoloculina in Lower Cretaceous of Texas and Louisiana

AAPG Bulletin, 1956
ABSTRACT Several occurrences of the miliolid Nummoloculina in the Lower Cretaceous of Texas (lower Glen Rose through upper Devils River limestones) and one occurrence in the Lower Cretaceous of northern Louisiana (lower Glen Rose limestone) are reported for the first time.
James E. Conkin, Barbara M. Conkin
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Lower Cretaceous of Wyoming and the Southern Rockies

Mountain Geologist, 1970
ABSTRACT: Lower Cretaceous strata of Wyoming and the southern Rockies constitute one of the most complex stratigraphic sequences in the Rocky Mountain region. They consist of many different lithologic types formed in various depositional environments which existed during the early history of the Rocky Mountain Geosyncline.
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