claystone


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claystone

[′klā‚stōn]
(geology)
Indurated clay, consisting predominantly of fine material of which a major proportion is clay mineral.
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The Prinos Basin has a thick Miocene sedimentary sequence; marine claystone of Middle to Upper Miocene age and Messinian claystone deposited under highly reducing conditions interrupted by hypersaline episodes are considered to be the source of the oil in the basin [27].
The lower Porters Creek consists of a series of fine-grained sands, clay beds and indurated claystones representing beach to nearshore marine conditions.
The Pulau Balang Formation contains a mix of sandstone, grey claystone, tuff, and sometimes conglomerate.
The Turtle Butte Formation was deposited by a meandering stream system evident by sandy siltstone and claystone floodplain deposits and conglomeratic paleochannel deposits.
The lower, Vadja Formation, 9-28 m thick, is characterized by a thin-bedded complex of alternating grey dolomitic marl, light grey and yellowish-grey dolostone, and dark grey claystone.
In addition, a pressure gradient within the underlying Cherokee Group shale and claystone may have caused flow toward the developing valley which resulted in thickening of the shales and tilting of the valley sides away from the center.
The siltstone facies is composed primarily of pinkish gray siltstone, with minor amounts of sandstone and claystone.
TAIPEI, Taiwan -- Claystone [TM], a breakthrough 3D style media navigation and content delivery platform from RADUS Inc.
The lower levels of thin-bedded claystone and marls are reddish and purplish and change to green to the top.
The marlstone is overlain by 3 m thick grey limestone of the Paroveja Formation containing 80-90% carbonate, and 4 m thick red dolomitic claystone of the Kuili Formation containing 12-25% carbonate.
Contract of the Boda Claystone Formation (BAF) complex research area operation monitoring system from 2014 to 2017.
Representative shale and claystone samples were collected from different vertical sections of the outcrops (Figure 3).