Sandstone

Sandstone (ᓯᐅᕋᑦ ᐅᔭᖃᑦ)

Sandstone (ᓯᐅᕋᑦ): layers (beds) of sand-size grains, often coarse sand defines base of each bed, gradually changing to fine sand at top of each bed.

Sandstone (ᓯᐅᕋᑦ): layers (beds) of sand-size grains, with laminar (straight) and cross-stratification and grading (coarse sand at base to fine sand/silt at top of each bed).

Graded sandstone bed: coarse sand gradually changing to fine sand within one bed. (ᓯᐅᕋᑦ ᓵᓐᓂᖅᓴᑦ)

Sandstone: ungraded with laminar (straight) stratification. (ᐳᖅᑐᓯᓯᒪᔪᑦ ᓯᐅᕋᑦ ᑎᓯᒃᑎᓯᒪᔪᑦ)

Sandstone: with rounded ripples and dunes that cut back and forth into each other creating swooping or "festoon" cross-bedding. (ᐊᖕᒪᓘᔭᖅᑐᑦ ᓯᐅᕋᑦ)

Sandstone: with mud rip-ups (arrows) from underlying bed redeposited in coarse, immature sand (feldspar-rich) base of overlying bed. (ᓯᐅᕋᑦ ᐊᖏᔫᑕᐅᓂᖅᓴᑦ)