chert相关论文
Investigation of ASR reactivity under accelerated condition and chemical 08structure of synthesized-
In this paper, the accelerated method was conducted to investigate the ASR reactivity of two cherts (Yoro and Seto) whic......
OIB-type Basalts and Its Significance from Dongbo Ophiolite in the West Part of Yarlung Zangbo Sutur
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Paleozoic Tectonic Environment in Southern Qinling: Geological and Geochemical Evidences from the De
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New Advances in Biostratigraphy of the Lower/Middle Norian Transition:Conodonts of the Dov?ko Sectio
This study presents the results of the conodont biostratigraphy and microfacies analysis carried out on the pelagic lime......
Terminal Ediacaran anoxia in deep-ocean: Trace element evidence from cherts of the Liuchapo Formatio
Here we report a detailed trace element study of the cherts from Liuchapo Formation, which is a terminal Ediacaran (551-......
At the top of the Lower Permian Maokou Formation limestones are developed carbonaceous cherts (Plm3), which constitute t......
从晚早的泥盆纪的不断的深海的沉积到晚二叠在西方的 Guangxi 的宽区域延长了。我们在 Badu 分析了上面的古生代的燧石的专业,踪迹,......
The Neoproterozoic Doushantuo Formation on the Yangtze Platform,South China,documents a sedimentary succession with diff......
INTRODUCTION The Sinian rocks in China as far as we know are most well developedin Chihli and Shansi provinces. In Chih......
Biogeochemical Model and Simulation of the Effect of Precambrian Algae on the Formation Process of C
The source of silica in the formation of the Precambrian laminated cherts has long remained a problem to be solved. Thr......
The mechanism of formation of the Lincang germanium deposit is discussed in thelight of the spatial distribution of Ge-r......
THE southwestern Guizhou Province has been acknowledged as one of the most important and potentialgold producing areas i......
THE reef-chert suite, named by Chen, mainly consists of four types of rocks, with reef carbonate in thelower part, fine......
bio-reef-chert 套房是一个重要忍受矿石的岩石集合, metallogenic 之一摇 superlarge 矿石存款的套房。它在空间和时间作为一间固......
The Xixiang Group in the southern Qinling has been believed to be a Precambrian metamorphic complex. Radiolarian fossil......
Chens and shales (late Sinian to early Cambrian) are found in the western Zhejiang Province and the southern Anhui Provi......
Diagenetic-metallogenic ages of pyritic cherts and their implications in Mojiang nickel-gold deposit
Diagenetic-metallogenic ages of pyritic cherts formed by the syn-sedimentation of hydrothermal vent and ages of the Jinc......
Kurgan, a frontier station in the west of South Tianshan, NW China, is difficult to access for geologists. For this reas......
Geochronology and Geochemistry of the Middle Proterozoic Aoyougou Ophiolite in the North Qilian Moun
The Aoyougou ophiolite lies in an early Palaeozoic orogenic belt of the western North Qilian Mountains, near the Aoyoug......
On the basis of geological, fabric, lithographical and mineralogical study, a new exhalite type, called ’siderite-seric......
At the top of the Lower Permian Maokou Formation limestones are developed carbonaceous cherts (Plm3), which constitute t......
Discovery of Radiolarian Fossils from the Aiketik Group at the Western End of the South Tianshan Mou
The Aiketik Group, distributed at the western end of the South Tianshan Mountains, China, is an important lithostratigr......
Geochronology and Nd and Pb isotope characteristics of gabbro dikes in the Luobusha ophiolite, Tibet
We report a combined internal and whole-rock Sm-Nd isochron age, and Nd and Pb isotopic data for gabbro dikes of the Luo......
Permian radiolarians, chert and basalt from the Daxinshan Formation in Lancangjiang belt of southwes
The stratigraphical sequences composed of chert and basalt were found in the Daxin-shan area of Simao and the Manbie are......
Phanerozoic strata are distributed in several north-south trending zones in the central part of the Changning-Menglian ......
Dating of sediment-hosted disseminated-type gold deposit by using ~(40)Ar/~(39)Ar laser probe: A cas
Hydrothermal clay minerals that formed in the main metallogenic stage of the Changkeng disseminated-type gold deposit in......
描述了湖北秭归县庙河村寒武系最底那(天竺山段)硅化微体化石13属16种,并论述了其地层意义。所有微体化石皆见于燧石切片中。此组......
Diagenetic and Catagenetic Transference of Noble Metal Elements in Lower Cambrian Black Rock Series,
Some extraditional types—black rock series types of platinum group element (PGE), gold and silver mineralization occurr......
Long-lived Paleotethyan pelagic remnant inside Shan-Thai Block:Evidence from radiolarian biostratigr
Newly identified radiolarians from ribbon chert in the Mae Hong Son-Mae Sariang area, northwestern Thailand covered Earl......
Located in the southern Qinling Mountains of central China, the Guanjiagou Formation has been a con-troversial issue wit......
Volcanic ash beds from shallow to deep water facies strata of the Sinian Early Cambrian (Meishucunian) on the Yangtz......
Geochemical characteristics of organic matter-rich strata of lower Cambrian in Tarim Basin and its o
The organic matter-rich strata of the Yurtusi Formation of Lower Cambrian are wildly spread and steady in the Tarim Basi......
The age assignment of cherts from ophiolitic/metamorphic complexes in northeastern Jiangxi is widely regarded as one of ......
GEOLOGICAL AND GEOCHEMICAL CHARACTERISTICS AND RELATED MINERALIZATION OF CHERT FORMATIONS IN SOUTH T
There occur abundant cherts in the Mesozoic and Cenozoic strata in southern Tibet. Some of them possess characteristic h......
Application of mineralogy, geochemistry, sedimentary petrology, and sedimentology methods result in better understanding......
Mesozoic radiolarian chert from the middle sector of the Yarlung Zangbo suture zone,Tibet and its te
Three radiolarian fauna, aged as the Middle-Late Triassic, Late Jurassic-Early Creta- ceous and Cretaceous radiolarian f......
A number of lead-zinc sulphide deposits have been discovered in recent years in dolo- mitic rocks of the Upper Sinian De......
GEOLOGICAL AND GEOCHEMICAL CHARACTERISTICS AND RELATED MINERALIZATION OF CHERT FORMATIONS IN SOUTH T
本文通过对荣华二采区10...
New Advances in Biostratigraphy of the Lower/Middle Norian Transition: Conodonts of the Dov?ko Secti
This study presents the results of the conodont biostratigraphy and microfacies analysis carried out on the pelagic lime......
Hydrothermal Origin of Early Permian Chert Nodules in the Central North China Craton Linked to North
Sedimentary chert phases from the Archean to the present are widely used to trace sedimentary environments and tectonic ......
Heat treatment and associated early modern human behaviors in the Late Paleolithic at the Shuidonggo
Unearthed artifacts and cultural relics from the Shuidonggou site revealed extensive information and insights regarding ......
Iron speciation in cherts from the Laobao Formation,South China:Implications for anoxic and ferrugin
Cherts in the Laobao Formation in the Silikou section,South China were deposited in terminal Ediacaran deep-water.The sp......
There are large scale chert formations of different ages exposed widely in southern Tibet,along Yarlung-Zangbo suture zo......
Geochemical evidence for submarine hydrothermal origin of the Middle-Upper Permian chert in Laibin o
Lithologically, two kinds of chert can be recognized in the Middle-Upper Permian from the Tieqiao section in Laibin area......
Acanthomorph Biostratigraphic Succession of the Ediacaran Doushantuo Formation in the East Yangtze G
Large acanthomorphic acritarchs have been found in chert of the Ediacaran Doushantuo Formation at several localities in ......
Early evolution of life cycles in embryophytes: A focus on the fossil evidence of gametophyte/sporop
Embryophytes (land plants) are distinguished from their green algal ancestors by diplobiontic life cycles, that is, alte......
Banded iron formations(BIFs) are major rock units having hematite layers intermittent with silica rich layers and formed......
With the financial supports from the National Natural Science Foundation of China and State Key Laboratory of Palaeobiol......
The coccoid fossils covered with thick gelatinous envelop containing several gametes are discovered in gyps and salt dep......