totalstone

	Caarse graind; The colour is variable depending on quantitey and type of peddles, often found above conformities associated with sandstone, it can be found in Hartforshire(england), Triassic conglomerates of Eastern USA, and gold bearing conglomerates of Witwatersrand(south africa).
Conglomerate

	Fine grained; Crumbles easily, Its colours are white, grey or yellow. Chalks are made up of the skeletons of floating organisms, it occurs in open shallow seas where it is free from most other sediments. It can be found in the Weald(S E England), Kansas(USA), modern chalks are forming in Alpine Lakes.
Chalk

	Coarse grained; This type of stone is found near to a fault zone, its colour is variable, Examples of breccia are; Cow Head Breccia of Newfoundland(USA) especially fascinating, Cotham marble, Bristol(England) and Eilean Dubh Dolomite, Sutherland(Scotland).
Breccia

	Traditional names for sedimentary chalcedony are chert and flint . the preferred term is chert.stone age people exploited the hardness of flint and its conchoidal fracture which made a sharp cutting edge for making tools and weapons.so care should be taken when handling any cherts.
Banded chert

	Formed by dissolved salts through the evaporation of lagoon water which are salt-rich, this can make it earthy, fibrous, or crumbly, it is either colourless or white stained by impurities, but often brown, Gypsum is very common in the USA, it can also be found in Iran, NE Yorkshire(England) and siberia(USSR).
Daisy bed

	Vary fine grained; It has many colours from black through to grey to off white, dark blues, greens and reds. Often occurs as part of repeated cycles. It is found in England, Wales and Germany, Shale of Michigan is copper bearing.
Lime mudstone

	Coarse, medium or fine grained; It's colour is cream, grey or white, but when weathered changes to brown or pinky. It is often associated with Gypsum deposits and salt, it can be found in many places for eg, N,W,Scotland and N,E,England.
Dolomite

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Sedimentary rocks are made from loose material that has built up layer upon layer, and then solidifies.
There are three types of sedimentary rock, these are Clastic, Chemical, and Biogenic.
The wind and rain play a big part on the break down of rocks, which are then washed down to the sea.
The clastic;
This type of sedimentary rock are made from the clasts, or fragments of rock that are washed down to the sea, the build up of these fragments compress, creating new beds of sedimentary rock.
Chemical sedimentary;
This type of rock is formed from a mineral build up that is dissolved in water, such as salt. When an inland sea dries out, the minerals that are left behind after the water has evaporated harden, creating rocks on the dry bed.
Some limestones and rocksalt are similarly formed on the continental shelves where the same build up and dry out proceedure takes place. A good example is the dead sea in Israel.
Biogenic sedimentary;
This type of rock is made of organic(living) matter, often combined with inorganic minerals.Dead plants may build up in stagnent swamps these will become coal. In warm seas, corals may build up reefs, which are another kind of limestone.A good example is the chalk cliffs England.

	Variable grain size; The coluor can be green, red, brown or yellow, often interbedded with cherts or sandstones, can be found in Cleveland(England), Rhiwbina(S.Wales), and the Hamersley Group of N W Australia.
Ironstone

	Compact to earthy easily crumbled, it is found in caves, around geysers and hot or cold springs.It is white, cream or yellow in colour, sometimes stained with red or brown. Can be found near Rome, Dubois, Tuscany and Wyoming.
Tufa