en.wikipedia.org/wiki/Clay

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides and organic ...

en.wikipedia.org/wiki/Mudrock

Mudrocks are a class of fine grained siliciclastic sedimentary rocks. The varying types of .... This term is confined to argillaceous, or clay-bearing, rock. There are ...

www.britannica.com/science/clay-geology

Mar 28, 2019 ... Clay: Clay, soil particles the diameters of which are less than 0.005 millimetre; also a rock that is composed essentially of clay particles. Rock in ...

oldschool.runescape.wiki/w/Clay_rock

Clay rocks are Mining rocks that can be mined with level 1 Mining, producing 1 Clay and providing 5 Mining experience. If the player equips a Bracelet of clay, ...

runescape.fandom.com/wiki/Clay_rocks

CS OS Defined properties: All Is members only: false Is members only: false All Release date: 4 January 2001 Release date: 4 January 2001 [talk] • [view] Clay ...

runescape.wiki/w/Clay_rock

Clay rocks are rocks that players can extract clay from at level 1 Mining, gaining 5 Mining experience per clay. Clay is used to make soft clay.

pubs.usgs.gov/info/clays

Apr 1, 2009 ... Clays and clay minerals have been mined since the Stone Age; ... Most clay minerals form where rocks are in contact with water, air, or steam.

www.quora.com/What-is-the-difference-between-rocks-and-clay

First we must define what a rock is: generally we refer to rocks as being natural solid aggregates of minerals and/or other solid non mineral particles, which can ...

www.encyclopedia.com/earth-and-environment/geology-and-oceanography/geology-and-oceanography/clay

Residual clays are most commonly formed by surface weathering, which gives rise to clay in three ways—by the chemical decomposition of rocks, such as ...