A review on the Global Stratotype Section and Point of the Permian‐Triassic boundary

Y Hongfu, T Jinnan, Z Kexin - Acta Geologica Sinica‐English …, 2005 - Wiley Online Library
This paper provides a synthetic review of researches on Meishan Section D, the Global
Stratotype Section and Point of the Permian‐Triassic Boundary (PTB). The history of …

煤山二叠-三叠界线地层姥鲛烷相对富集及其碳同位素负偏的地球化学意义

王春江, 刘义梅, 刘虹秀, 朱雷, 史权 - 科学通报, 2005 - cqvip.com
对煤山P/Tr 界线地层进行了分子及碳同位素地球化学研究, 给出了长兴组至殷坑组底部的异戊二
烯烷烃分子及有机碳同位素地球化学剖面, 揭示了事件界线层附近存在着δ13Ckero …

Evolution of photosynthesis and biospheric oxygenation contingent upon nitrogen fixation?

JW Grula - International Journal of Astrobiology, 2005 - cambridge.org
How photosynthesis by Precambrian cyanobacteria oxygenated Earth's biosphere remains
incompletely understood. Here it is argued that the oxic transition, which took place between …

Geochemical significance of the relative enrichment of pristane and the negative excursion of δ13CPr across the Permian-Triassic Boundary at Meishan, China

C Wang, Y Liu, H Liu, L Zhu, Q Shi - Chinese Science Bulletin, 2005 - Springer
Abstract Changes in the distribution of isoprenoid hydrocarbons and in δ 13 C kero or δ 13
C Pr across the section from the Changxing Formation to the lower Yinkeng Formation at …

[PDF][PDF] Mass extinctions

SC Morris - Current Biology, 2005 - cell.com
What are they? Ever been denied tenure, had a paper rejected by Current Biology, or even
N***** e? This is much, much worse: death on a big scale, ecologies shot to pieces and a …

[PDF][PDF] WANG Chunjiang, LIU Yimei, LIU Hongxiu, ZHU Lei

SHI Quan - Chinese Science Bulletin, 2005 - researchgate.net
Abstract Changes in the distribution of isoprenoid hydrocarbons and in δ13Ckero or δ13CPr
across the section from the Changxing Formation to the lower Yinkeng Formation at …