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Sedimentary Rocks

Sedimentary Rocks are formed from sediment which has settled at the bottom of rivers, lakes and oceans. Layer after layer of sediment is deposited on top of each other, then through time each layer is compressed down more and more, until the bottom layers slowly turn into a solid form of rock. Common types include Limestone, Mudstone, Shale, and Sandstone.

Products (12)

Limestone

Provided in fully labelled trays.

Limestone is mostly composed of calcite and aragonite. A large number of limestone's are composed from the skeletal fragments of marine organisms. For example: corals or foraminifera. Limestone's react strongly with acids, and are soluble in water, this means they erode quickly. Cave systems are often formed from limestone rock.

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Price
Jurassic: Purbeck Limestone (Portland, Dorset)
(RS0492)
$2.97 In Stock
Jurassic: Bathonian Limestone, Isle of Skye
(RS0186)
$2.97 In Stock
Jurassic: Limestone (Hettangian stage, (Isle of Skye)
(RS0189)
$2.97 In Stock
Jurassic: Shelly Limestone (Skye)
(RS0495)
$2.97 In Stock
Jurassic: Portland Limestone (Portland)
(RS0382)
$2.97 In Stock
Jurassic: Portland Screw (Portland)
(RS0385)
$2.97 In Stock
Carboniferous: Limestone (Cumbria)
(RS0468)
$2.97 In Stock
Permian: Magnesian Limestone (Co Durham)
(RS0484)
$2.97 In Stock
Carboniferous: Middle Skatdraw Limestone, East Lothian
(RS0239)
$2.97 In Stock
Carboniferous: Crinoidal Limestone (Ayrshire)
(RS0131)
$2.97 In Stock
Carboniferous: Coral Limestone - (Ayrshire)
(RS0130)
$2.97 In Stock
Carboniferous: Brachiopoda Limestone - (Ayrshire)
(RS0123)
$2.97 In Stock
Carboniferous: Dolomite Limestone (Lancashire)
(RS0476)
$2.97 In Stock
Cambrian: Limestone - (Skye)
(RS0473)
$2.97 In Stock
Cambrian: Durness Limestone, (Sutherland)
(RS0380)
$2.97 In Stock

Sandstone

Provided in fully labelled trays.

Sandstone is a sedimentary rock composed mainly of sand-sized minerals or rock grains. It is mostly composed of quartz or feldspar, and can be any colour, but the most common colours are brown and red.

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Price
Cretaceous: Wadhurst Clay, Sandstone, (Fairlight, Sussex)
(RS0406)
$2.97 In Stock
Cretaceous: Carstone (Hunstanton, Norfolk)
(RS0125)
$2.97 In Stock
Cretaceous: Ferruginous Sandstone (Surrey)
(RS0411)
$2.97 In Stock
Jurassic: Bearreraig Sandstone (Skye, Scotland)
(RS0420)
$2.97 In Stock
Jurassic: Corallian Sandstone (Wiltshire)
(RS0117)
$2.97 In Stock
Permian: Sandstone (Cumbria)
(RS0483)
$2.97 In Stock
Permian: Polished Sandstone
(RS0330)
$2.97 In Stock
Carboniferous: Millstone Grit (Derbyshire)
(RS0470)
$2.97 In Stock
Devonian: Old Red Sandstone (Somerset)
(RS0465)
$2.97 In Stock
Devonian: Old Red Sandstone with Clasts (Scotland)
(RS0122)
$2.97 In Stock
Silurian: Greywake (Cumbria)
(RS0463)
$2.97 In Stock
Silurian: Mulloch Hill Sandstone (Ayrshire)
(RS0129)
$2.97 In Stock
Pre-Cambrian: Torridonian Sandstone (Skye)
(RS0461)
$2.97 In Stock
Pre-Cambrian: Psammite (Scotland)
(RS0404)
$2.97 In Stock

Shale

Provided in fully labelled trays.

Shale is composed of mud which is a mixture of clay minerals and fragments of other minerals. Shale can be both marine or non-marine, and often has the highest concentration of fossils. For example: the famous fossils of the Jurassic Coastline all come from shale beds.

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Price
Carboniferous: Westphalian D Marine Band (Radstock, Avon)
(RS0400)
$2.97 In Stock
Carboniferous: Marine Shale - (Dalmellington Ayrshire)
(RS0133)
$2.97 In Stock
Jurassic: Shale (Yorkshire)
(RS0471)
$2.97 In Stock
Ordovician: Shale (Cumbria)
(RS0366)
$2.97 In Stock

Mudstone

Provided in fully labelled trays.

Mudstone is a fine grained sedimentary rock, of which it originated from clays or muds. The individual grains are too small to be distinguished without a microscope. Mudstone looks like hardened clay and can sometimes show cracks or fissures. It can be surprisingly hard.

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Price
Jurassic: Banded Mudstone, Leart, Skye
(RS0132)
$2.97 In Stock
Ordovician: Mudstone (Wales)
(RS0467)
$2.97 In Stock
Silurian: Ludlow Mudstone, (Tites Point)
(RS0127)
$2.97 In Stock

Clay

Provided in fully labelled trays.

Clay is an extremely fine rock, mostly composed of phyllosilicate minerals containing a variable amount of water trapped in the mineral structure. Common clays include the Frome Clay, Oxford Clay, Kimmeridge Clay and Gault Clay, which are all rich in fossils.

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Price
Eocene: Pipe Clay Series, Poole Formation (Studland Bay, Dorset, UK)
(RS0369)
$2.97 In Stock
Jurassic: Oxford Clay (Cambridgeshire)
(RS0477)
$2.97 In Stock
Cretaceous: Ashdown Clay, (Bexhill, Sussex)
(RS0409)
$2.97 In Stock
Cretaceous: Weald Clay, (Bexhill, Sussex)
(RS0377)
$2.97 In Stock

Chalk

Provided in fully labelled trays.

Chalk is a porous rock which is a type of limestone. It is composed of calcite which is formed under deep marine conditions, by the build up of the calcite shed from coccolithophores. Chert and Flint are commonly found embedded in chalk.

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Cretaceous: Lower Chalk (Hunstanton, Norfolk)
(RS0362)
$2.97 In Stock
Cretaceous: Red Rock (Norfolk)
(RS0497)
$2.97 In Stock
Cretaceous: Upper Chalk (Hillington, Norfolk)
(RS0116)
$2.97 In Stock

Oolite

Provided in fully labelled trays.

Oolite is formed from ooids, which are spherical grains composed of concentric layers. Oolite is defined as having ooids of between 0.25-2mm diameter. Any larger and the rock is a pisolite. Common types of these rocks are the "Inferior Oolite" and the "Great Oolite" series, which are Jurassic in age.

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Jurassic: Kelloways Rock, (Wiltshire)
(RS0126)
$2.97 In Stock
Jurassic: Great Oolite (Wiltshire)
(RS0121)
$2.97 In Stock
Jurassic: Inferior Oolite (Wiltshire)
(RS0120)
$2.97 In Stock

Ironstone

Provided in fully labelled trays.

Ironstone is a rock which has been either deposited directly as a ferruginous sediment or created by chemical replacement. The rock contains a substantial proportion of iron.

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Price
Holocene: Ironstone (Surrey)
(RS0417)
$2.97 In Stock
Jurassic: Oolitic Ironstone (Isle of Raasay)
(RS0489)
$2.97 In Stock

Coal

Provided in fully labelled trays.

This common fossil fuel actually originated from England, being an old English word 'Col' meaning mineral of fossilised carbon. It usually occurs in seams. Coal is composed primarily of carbon, and is found in the Carboniferous period.

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Price
Carboniferous: Anthracite (South Wales)
(RS0480)
$2.97 In Stock
Carboniferous: Bituminous (South Wales)
(RS0479)
$2.97 In Stock
Carboniferous: Slag Coal, from lead smelting, (Mendips, UK)
(RS0115)
$3.89 In Stock

Chert/Flint

Provided in fully labelled trays.

Chert is a silica-rich fine-grained sedimentary rock. Often, small fossils can be found within the rock. It varies in colour, but is mostly found as gray or brown. It is formed as a result of some type of diagenesis. Where it occurs in chalk or marl, it is usually called flint.

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Cretaceous: Flint (Norfolk)
(RS0353)
$2.97 In Stock
Jurassic: Chert, Black - Portland
(RS0370)
$2.97 In Stock
Carbonifrous: Chert (Lancashire)
(RS0481)
$2.97 In Stock

Conglomerate/Breccia

Provided in fully labelled trays.

A conglomerate is a rock which consists of individual clasts within a finer-grained matrix that have become cemented together. These consist of rounded fragments unlike breccias which have angular clasts. Clasts are larger than 2 mm.

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Holocene: Breccia (North Yorkshire)
(RS0413)
$2.97 In Stock
Holocene: Lowestoft Till, Glacial Conglomerate (Suffolk)
(RS0238)
$2.97 In Stock
Pleistocene: Calcrete (Staffordshire)
(RS0412)
$2.97 In Stock
Jurassic: Brecciated Conglomerate (Somerset)
(RS0418)
$2.97 In Stock
Carboniferous: Conglomerate, Siderite pebbles in fine stone matrix (Morocco)
(RS0482)
$2.97 In Stock
Ordovician: Conglomerate, Balclatchie Formation (Girvan)
(RS0187)
$2.97 In Stock
Cambrian: Conglomerate, (Wrekin / Ercall Quarries)
(RS0356)
$2.97 In Stock
Silurian: Conglomerate (Gloucestershire)
(RS0119)
$2.97 In Stock

Other Sedimentary Rocks

Provided in fully labelled trays.

Sedimentary Rocks are formed from sediment which has settled at the bottom of rivers, lakes and oceans. Layer after layer of sediment is deposited on top of each other, then through time each layer is compressed down more and more, until the bottom layers slowly turn into a solid form of rock.

More Details
Price
Carboniferous: Coal Measures RED Band (Somerset, UK)
(RS0462)
$2.97 In Stock
Cretaceous: Upper Greensand (IOW)
(RS0226)
$2.97 In Stock
Cretaceous: Wadhurst Clay, Cliff End Bone Bed, (Fairlight, Sussex)
(RS0408)
$2.97 In Stock
Devonian: Caithness Flagstone, Thurso, Scotland
(RS0402)
$2.97 In Stock
Holocene: Peat (Skye)
(RS0414)
$2.97 In Stock
Holocene: Travertine (Yorkshire)
(RS0419)
$2.97 In Stock
Ordovican: Camptonite - (Maddox Hill)
(RS0375)
$2.97 In Stock
Permian: Cannon Ball Rock, [Calcite concretions] (County Durham)
(RS0118)
$2.97 In Stock
Pliocene: Coralline Crag Fossil Reef - (Suffolk)
(RS0403)
$2.97 In Stock
Pliocene: Norwich Crag Nodule Bed, Easton Wood, (Suffolk)
(RS0179)
$2.97 In Stock
Triassic: Aust Bone Bed (with bones, teeth, coprolites) - (UK)
(RS0322)
$2.84 In Stock
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