The coal measures are carboniferous rocks laid down between 290 and 354 million years ago.

The coal measures are visible beneath cliff lines along river valleys.

The Coal Measures generally dip towards the south and west.

Is the natural gas found in rocks which are younger, older or about the same age as the Coal Measures?

The coal measures owe their origin to this period of profuse vegetation.

This was successful and sinking recommenced finally reaching the coal measures in December 1911.

Dirt beds are common among the coal measures.

Together these layers are called the Coal Measures (Diagram 3 ).

They are seen in the coal measures of the Carboniferous period, and some were trees reaching up 30 metres.

The underlying rocks are the coal measures of the Manchester Coalfield.

The geology is the Coal measures containing coal and ironstone.

The underlying geology is the coal measures and a bed of fireclay.

The central area of the forest is on the Coal Measures and this supports Oak.

It is chiefly derived from the Coal Measures.

The fireclay strata in the coal measures has a high alumina content.

To the east of the fault is the red Triassic sandstone, to the west are the coal measures which in places outcrop at surface.

A supposed example from the Coal Measures of Lancashire is a misidentification.

The coal measures were later covered by sandstone, then conglomerate, corresponding to a braided floodplain.

They would eventually form the numerous coal seams of the Coal Measures sandstones.

The summits are generally crowned with red sandstone and with the conglomerate of the coal measures.

The Coal Measures at this point are overlain by glacial head, which is a silty, clay substance.

Aren't those fern-trees like those in the coal measures, Seaton?"

The Coal measures are a major source of Palaeozoic plant fossils, with many groups of plants in existence at this time.

The Coal Measures are over 4000 feet thick and coal accounts for approximately 4% of their thickness.

He soon acquired a reputation as a practical geologist, an authority upon the coal measures, and an ardent collector of coal-fossils.