argillite

As nouns the difference between siltstone and argillite

is that siltstone is a sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone while argillite is a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.

As nouns the difference between terms and argillite

is that terms is while argillite is (geology) a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.

As nouns the difference between slate and argillite

is that slate is a fine-grained homogeneous sedimentary rock composed of clay or volcanic ash which has been metamorphosed so that it cleaves easily into thin layers while argillite is a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.

As an adjective slate

is having the bluish-grey/gray colour/color of slate.

As a verb slate

is to cover with slate.

In geology terms the difference between shale and argillite

is that shale is a fine-grained sedimentary rock of a thin, laminated, and often friable, structure while argillite is a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.

As nouns the difference between shale and argillite

is that shale is a shell or husk; a cod or pod while argillite is a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.

As a verb shale

is to take off the shell or coat of.

As a verb rock

is (rycka).

As a noun argillite is

(geology) a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.

As an adjective sedimentary

is made by the deposition and compression of small particles.

As a noun argillite is

a fine-grained sedimentary rock, intermediate between shale and slate, sometimes used as a building material.