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Weald Clay is a Lower Cretaceous sedimentary rock underlying areas of South East England. It is part of the Wealden Supergroup of rocks. The clay is named after the Weald, an area of Sussex. It varies from orange and grey in colour and is used in brickmaking.
The un-weathered form is blue/grey, and the yellow/orange is the weathered form; they have quite different physical properties. Blue looks superficially like a soft slate, is quite dry and hard and will support the weight of buildings quite easily. Because it is quite impermeable , and so dry, it does not get broken by tree roots. It is typically found at 750mm down below a layer of yellow clay. Yellow, found on the surface, absorbs water quite readily so becomes very soft in the winter.
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What are the 3 types of rock in the south downs?
The downs themselves are made of Chalk. However the rock type associated with the "Wealden Dome" are:ChalkGault ClayLower GreensandAshdown sandsTonbridge Wells sandOf cause the Chalk is not a homogeneous rock type and contains flint layers.
Is clay an heterogeneous?
clay is homogeneous mixture
Can clay help plants?
Answer Yes, clay helps plants as clay contains many elements and compounds in clay are useful for plants life.
What do you need to make a valley landform out of clay?
To make a valley landform out of clay, you will need clay, a flat surface to work on, sculpting tools such as a knife or a modeling tool, a reference image of a valley for guidance, and possibly some paints for detailing if desired. Begin by molding the clay into the desired shape of a valley, adding details like streams and vegetation as needed.
Is Clay Sediment from rock?
Clay is actually a description of sediment of a specific particle size. As such clay is not necessarily a rock. However when compacted and cemented clay forms claystone which is a sedimentary rock.
When was Wealden - UK Parliament constituency - created?
Wealden - UK Parliament constituency - was created in 1983.
What has the author Mary Cecilia Delany written?
Mary Cecilia Delany has written: 'The historical geography of the Wealden iron industry' -- subject(s): Iron industry and trade, History
What has the author David John Stewart written?
David John Stewart has written: 'A study of the pseudomonads responsible for \\' 'The sedimentology and palaeoenvironment of the wealden group of the Isle of Wight, southern England. 1978'
What are the 3 types of rock in the south downs?
The downs themselves are made of Chalk. However the rock type associated with the "Wealden Dome" are:ChalkGault ClayLower GreensandAshdown sandsTonbridge Wells sandOf cause the Chalk is not a homogeneous rock type and contains flint layers.
How do you make golem on doodle god?
clay and life
Who was Cassius clay cousin of Henry Clay?
Cassius Clay was actually Henry Clay's Nephew
What is firing clay?
Firing clay is when a clay is fired in a kiln, this is to make the clay stay strong.
What is miry clay?
Miry Clay is known as sticky clay.
What is clay molding?
clay molding is a art of molding a clay
What is clay slab?
a clay slab is a slab made of clay
What is a clay sheep?
A clay sheep is a sheep made out of clay
What is oven baked clay made from?
Clay is made of clay ...
