Results 11 to 20 of about 7,112 (219)
The black rock series in the Qiongzhusi Formation contains important geochemical information about the early Cambrian tectonic and ecological environment of the southwestern Yangtze Block.
Liu Hao +8 more
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The Cambrian source rock is a key indicator that will guide future hydrocarbon explorations in ultra-deep strata. Despite its importance, the characteristics of paleotopography on the Precambrian basement and the distribution of source rocks above it ...
Haowei Yuan +10 more
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A possible case of inverted lifestyle in a new bivalved arthropod from the Burgess Shale [PDF]
The origin of the arthropod carapace, an enlargement of cephalic tergites, can be traced back to the Cambrian period. However, its disparity and evolution are still not fully understood.
Alejandro Izquierdo-López +1 more
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A modified trap design for sampling subterranean habitats for central Texas Eurycea salamanders [PDF]
In this paper, we describe modifications to a sampling technique for surface, stream-dwelling salamanders for use in subterranean settings. Leaf litter bags are an effective and commonly used trap for salamanders, and their construction purposefully ...
Ryan M. Jones +3 more
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Relevance. Geological prospecting work carried out recently throughout the Lena-Tunguska oil and gas province makes the study of the Osinskaya subformation carbonates especially relevant, since they allow establishing the patterns of hydrocarbon traps ...
Dmitry A. Tokarev +2 more
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A new euarthropod from the Cambrian Stage 4 Guanshan Biota of South China [PDF]
A new small euarthropod Astutuscaris bispinifer gen. et sp. nov. is described from the early Cambrian Stage 4 Guanshan Biota in Yunnan, China. This new euarthropod possesses a wide head shield, a pair of possible eyes, paired frontalmost appendages ...
DE-GUANG JIAO, KUN-SHENG DU
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Camenellan tommotiids from the Cambrian Series 2 of East Antarctica: Biostratigraphy, palaeobiogeography, and systematics [PDF]
Cambrian Series 2 shelly fossils from thick carbonate successions in East Antarctica have received limited systematic treatment through the 20th century.
Thomas M. Claybourn +5 more
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New data on the anatomy of fuxianhuiid arthropod Guangweicaris spinatus from the lower Cambrian Guanshan Biota, Yunnan, China [PDF]
The fuxianhuiid arthropod Guangweicaris spinatus, from the lower Cambrian (Series 2, Stage 4), Guanshan Biota (Wulongqing Member, Canglangpu Formation), located in the vicinity of Kunming (Yunnan Province, southwest China), is redescribed based on new ...
Hong Chen +4 more
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Sedimentary characteristics and development model of Cambrian gypsum-salt rocks, Tarim Basin
The Cambrian gypsum-salt rocks in the Tarim Basin are key geological elements to the pre-salt play typical marine evaporites, yet little attention has been paid to this set of evaporites.
Qi FAN +5 more
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Accessing Heart Health: A Northern Experience
Background and Research Purpose: Coronary heart disease (CHD) continues to be a major cause of death and disability across the globe. Regional differences in CHD exist throughout Canada, including Ontario. It is important to explore the complex interplay
Katherine Timmermans +6 more
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