psammite

[ sam-ahyt ]

/ ˈsæm aɪt /

any sandstone.

Also called arenite.

Origin of psammite

1880–85; < Greek psámm(os) sand + -ite¹

psam·mit·ic

[sa-mit-ik] /sæˈmɪt ɪk/, adjective

The ranges were composed of a Psammite, which was frequently baked, probably by neighbouring out-bursts of igneous rock.

Journal of an Overland Expedition in Australia |Ludwig Leichhardt
It seems to me to be a clayey sandstone (Psammite) penetrated by silica.

Journal of an Overland Expedition in Australia |Ludwig Leichhardt
The prevailing rock was talc-schiste, alternating with layers of psammite.

Journal of an Overland Expedition in Australia |Ludwig Leichhardt

psammite

/ (ˈsæmaɪt) /

a rare name for sandstone

psammitic (sæˈmɪtɪk), adjective

C19: from Greek psammos sand