gray smooth bedrock with polka dotted pattern of holes and colorful pebbles

enivronment sedimentary geoscience weathering fragmented background shoreline coastline petrology processes hydrology resources geography geologic rounding sediment abrasion seawater detailed minerals textured textural backdrop abstract geology science erosion rounded aqueous grained clastic igneous natural segment details action drying nature cracks linear design small scale rocky earth pools crust rock fine nestled nestling filled abrasion red salmon colored green jade black three dimensional dimensions miniature small tiny miniscule morphology morphological geomorphology marine fluvial landform bowl churn hole swirlhole grinding action sedimentology channel development