Jun 3, 2025
Here are some ripple marks from a beach in the Northwest Scottish Highlands! There’s a chance that these ripple marks will be preserved like this and become sedimentary structures that we can see as cross-bedding in an outcrop someday!
seen from United States
seen from United States
seen from United States
seen from China
seen from Russia
seen from United States
seen from China
seen from China
seen from United States
seen from China
seen from United States
seen from China
seen from Russia
seen from Russia
seen from United States
seen from China
seen from United States
seen from Denmark
seen from Malaysia
seen from China
Here are some ripple marks from a beach in the Northwest Scottish Highlands! There’s a chance that these ripple marks will be preserved like this and become sedimentary structures that we can see as cross-bedding in an outcrop someday!
Bernoulli, Daniel (1936–, geologist). Flute casts, Walkers Bed, Scotland Fm, 28.05.1978.
Clastic sediments: mass flows, sedimentary structures. N of Bowden and River, St. Andrew, Barbados
What are flute casts? Find out here.
平行葉理区間にはさまれたウェーブリップル 中右のリップルに見える乱れはおそらく底生生物が急激な埋積から脱出した時の生痕化石 更新世
Wave-ripple cross-bedding within a parallel-bedded, sandy succession. Probable trace fossil by a benthos escaping from rapid sand deposition (at a crest of wave-ripple at middle right). Pleistocene.
Daniel Bernoulli. Drag marks & superposed flute c., 9/1987.
Read about Sole markings here
斜交層理の発達した砂質礫岩 堆積したときの流れの向きは右から左 更新世 長岡市
Inclination of cross-bedding within a sand/gravel bed directly shows the direction of the flow that transported and depsited the grains. This case from right to left. Pleistocene fluvial deposits. Scale increment 5 cm.
砂丘の内部構造 新潟砂丘 新潟市
Wind-induced, internal sedimentary structures in modern coastal sand dune deposits, including lateral migration to the left (center) and semi-vertical aggradation (upper). Niigata, Japan. Scale increment 20 cm.
Formation of cast structures in sandstone.