siltstone


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silt·stone

 (sĭlt′stōn′)
n.
A fine-grained rock of consolidated silt.

siltstone

(ˈsɪltˌstəʊn)
n
(Geological Science) a variety of fine sandstone formed from consolidated silt

silt•stone

(ˈsɪltˌstoʊn)

n.
a very fine-grained sandstone, composed chiefly of consolidated silt.
[1925–30]

silt·stone

(sĭlt′stōn′)
A fine-grained sedimentary rock consisting primarily of compacted and hardened silt. It varies in color from black or gray to brown or red. See Table at rock.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.siltstone - a fine-grained sandstone of consolidated silt
sandstone - a sedimentary rock consisting of sand consolidated with some cement (clay or quartz etc.)
References in periodicals archive ?
The overlying Shale Member is composed of brown, dark gray shale and oil shale in the lower part and grayish-green mudstone and siltstone in the upper part (Fig.
This well encountered a 75-metre-thick Cenomanian sedimentary channel sequence, but it contained predominantly siltstone and clays with no hydrocarbon shows.
The well encountered a 75-meter-thick Cenomanian sedimentary channel sequence, but it contained predominantly siltstone and clays with no hydrocarbon shows.
This collection is composed of six lithofacies including one conglomerate and microconglomerate lithofacies, two sandstone lithofacies (lower and upper), one siltstone lithofacies and two shale lithofacies comprised of shale with no fossils and shale with fossils (Fig.
The exposed section of the Bara Formation in Lakhra areas is 20 meter thick; it is located, near Lailian Nala, and is composed of sandstone, shale and minor siltstone.
The results indicate that with respect to abrasion the Murree Formation can be divided into two categories, in the first category sandstone and siltstone can be included where as in second category mudstone and compact shale are placed.
Physical and mechanical tests were performed to determine the specific gravity, grain size distribution, Atterberg limits, and point load strength of siltstone samples of different weathering grades.
The lower body, a thick brown - purplish finely laminated siltstone (whitish locally), with interbedded chert-limestone, a few millimeters to 30 cm thick.
Scientists began expeditions to the bluff in the 1980s and have since discovered thousands of bones buried in mud and siltstone permafrost.
ci] Rock mass (MPa) mi GSI index Marl & Mudstone 1 7 30 Silty marl & siltstone 5 7 35 Sandstone 18.
The succession is represented by four separated outcrops along the Bol'shaya Nirunda River, a right tributary of the Podkamennaya Tunguska River about 60 km downstream from the village of Baykit and consists of four formations: (1) The Mangazea Formation (Baksian Regional Stage) is represented by rhythmic intercalations of greenish-grey siltstone and bioclastic limestones.