[HTML][HTML] A review on palaeogeographic implications and temporal variation in glaucony composition
S Banerjee, U Bansal, AV Thorat - Journal of Palaeogeography, 2016 - Elsevier
This study presents a review on palaeogeographic implications and temporal variations of
glaucony covering both modern and ancient records. Phanerozoic glaucony preferably …
glaucony covering both modern and ancient records. Phanerozoic glaucony preferably …
A transient swing to higher oxygen levels in the atmosphere and oceans at~ 1.4 Ga
Abstract The mid-Proterozoic (1.8–0.8 Ga) may have witnessed persistent and predominant
anoxia at the Earth's surface. However, recent studies suggest that there was a period …
anoxia at the Earth's surface. However, recent studies suggest that there was a period …
Formation of shallow-water glaucony in weakly oxygenated Precambrian ocean: An example from the Mesoproterozoic Tieling Formation in North China
Authigenic glaucony precipitation in Phanerozoic oceans takes place mostly in middle shelf
to upper slope environments with low depositional rate or sediment starvation. Precambrian …
to upper slope environments with low depositional rate or sediment starvation. Precambrian …
Fine‐grained agglutinated elongate columnar stromatolites: Tieling Formation, ca 1420 Ma, North China
Abstract The Mesoproterozoic Tieling Formation, near Jixian, northern China, contains thick
beds of vertically branched, laterally elongate, columnar stromatolites. Carbonate mud is the …
beds of vertically branched, laterally elongate, columnar stromatolites. Carbonate mud is the …
Cementation and diagenetic fluid of algal dolomites in the Sinian Dengying Formation in southeastern Sichuan Basin
ZJ Shi, Y Wang, YM Tian, CC Wang - Science China Earth Sciences, 2013 - Springer
Abstract The Sinian Dengying Formation in China hosts one of the oldest gas-bearing
reservoirs in the world. With a long geological history, it has developed into the reservoir …
reservoirs in the world. With a long geological history, it has developed into the reservoir …
Mineralogical characteristics and genesis mechanism of glauconite in the meso-neoproterozoic and cambrian strata in north China
Glauconite is a special mineral indicator of sedimentary facies and is widely developed in
the Meso-Neoproterozoic and Cambrian strata in North China. A systematic study on the …
the Meso-Neoproterozoic and Cambrian strata in North China. A systematic study on the …
Types and genesis of the Neoproterozoic glauconites, Longshan area, Changping district, Beijing
Multiple sets of glauconites occur in the Neoproterozoic outcrops of the Longshan area in
Beijing. This study examines the glauconite-bearing clastic rocks of the Qingbaikou System …
Beijing. This study examines the glauconite-bearing clastic rocks of the Qingbaikou System …
[PDF][PDF] 藏西南札达白垩纪犃犾犫犻犪狀期海绿石的矿物学特征及地质意义
李响, 蔡元峰, 胡修棉, 黄志诚, 王建刚, 耿建华 - 地质论评, 2011 - es.nju.edu.cn
内容提要: 海绿石是海相沉积的指相矿物, 通常形成于海进系列, 与低的沉积物供应速率有关.
本文利用岩相和扫描电子显微镜(SEM) 对样品进行了详细的观察, 并运用X 射线粉晶衍射(XRD) …
本文利用岩相和扫描电子显微镜(SEM) 对样品进行了详细的观察, 并运用X 射线粉晶衍射(XRD) …
[PDF][PDF] 叠层石中的海绿石化和黄铁矿化: 以天津蓟县中元古界铁岭组为例
梅朝佳 - 古地理学报, 2018 - researchgate.net
摘要作为微生物碳酸盐岩的主要类型之一, 叠层石是微生物席的主要建造物已成为共识.
天津蓟县中元古界铁岭组二段叠层石生物礁灰岩发育, 其中的细粒叠层石被前人解释为微生物席 …
天津蓟县中元古界铁岭组二段叠层石生物礁灰岩发育, 其中的细粒叠层石被前人解释为微生物席 …
陕南地区埃迪卡拉纪陡山沱组下部海绿石的成因机制: 对古海水氧化还原条件的启示
海绿石是海洋环境中一类重要的自生矿物, 在古环境研究方面具有广泛的应用.
基于中国陕南地区埃迪卡拉纪陡山沱组下部海绿石的分布特征, 对其开展了综合的岩相学 …
基于中国陕南地区埃迪卡拉纪陡山沱组下部海绿石的分布特征, 对其开展了综合的岩相学 …