shale

As a noun shale

is saddle.

As an adjective undefined is

lacking a definition or value.

As nouns the difference between claystone and shale

is that claystone is (geology) sedimentary rock composed of fine, clay particles while shale is saddle.

As nouns the difference between shale and sandstone

is that shale is saddle while sandstone is a sedimentary rock produced by the consolidation and compaction of sand, cemented with clay etc.

As nouns the difference between siltstone and shale

is that siltstone is a sedimentary rock whose composition is intermediate in grain size between the coarser sandstone and the finer mudstone while shale is a shell or husk; a cod or pod.

As a verb shale is

to take off the shell or coat of.

As nouns the difference between shingle and shale

is that shingle is a small, thin piece of building material, often with one end thicker than the other, for laying in overlapping rows as a covering for the roof or sides of a building while shale is a shell or husk; a cod or pod.

As verbs the difference between shingle and shale

is that shingle is to cover with small, thin pieces of building material, with shingles while shale is to take off the shell or coat of.

As nouns the difference between shale and marl

is that shale is a shell or husk; a cod or pod while marl is a mixed earthy substance, consisting of carbonate of lime, clay, and possibly sand, in very variable proportions, and accordingly designated as calcareous, clayey, or sandy.

As verbs the difference between shale and marl

is that shale is to take off the shell or coat of while marl is to cover, as part of a rope, with marline, marking a peculiar hitch at each turn to prevent unwinding.

As nouns the difference between shale and branes

is that shale is a shell or husk; a cod or pod while branes is plural of lang=en.

As a verb shale

is to take off the shell or coat of.

As a noun shale

is saddle.

As an adjective slaty is

resembling the mineral slate.

As nouns the difference between shoal and shale

is that shoal is a sandbank or sandbar creating a shallow while shale is a shell or husk; a cod or pod.

As verbs the difference between shoal and shale

is that shoal is to arrive at a shallow (or less deep) area while shale is to take off the shell or coat of.

As an adjective shoal

is shallow.

As nouns the difference between limestone and shale

is that limestone is (mineralogy) an abundant rock of marine and fresh-water sediments; primarily composed of calcite (caco₃); it occurs in a variety of forms, both crystalline and amorphous while shale is saddle.

As an adjective limestone

is made of or with limestone.