There are various solid mineral deposits within state - industrial clay, silica, lignite, kaolin, tar sand, decorative rocks, limestone, etc.
Donnybrook stone is a fine to medium-grained feldspathic and kaolinitic sandstone found near the town of Donnybrook, Western Australia.
The railway was then converted into a private road to bring china clay from Par harbour.
At the east end of the station is a level crossing while at the west end the line is carried over the river, beyond which is the junction for the Fowey branch which is now used by china clay trains only.
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The passenger service was withdrawn on 4 January 1965 but the line remains open to carry china clay to the jetties at Fowey.
He helped develop building materials using abundant stocks of Kaolinite High Alumina Clay, waste sawdust and woodchips, and waste rice husks.
Lord Morley had interests in china clay (kaolinite) deposits on Lee Moor, and in 1833 he agreed with the Johnson Brothers that they would build a branch line to Plympton largely on the northern margin of the Exeter Turnpike.
Scratchboard or scraperboard refers to both a medium, and an illustrative technique using sharp knives and tools for etching into a thin layer of white China clay that is coated with black India ink.
It was also notorious for being the locomotive of a runaway china clay train at Burngullow on the Cornwall Railway on 29 October 1872.
As well as the general traffic for a busy town, the station handled large volumes of china clay from the surrounding district, and of fish from Mevagissey.
The Eden Project at Bodelva near St Austell, Cornwall, UK is a major redevelopment of a former china clay (kaolin) pit for educational and environmental purposes.