Category: Interpreting ancient environments

February 27, 2023

Getting sedimentary grains moving in a flowing medium Formation of granular sedimentary layers and many

February 6, 2023

A description of the common skeletal elements of hard, stony corals Hard corals are essential

January 20, 2023

Preview (opens in a new tab) Not really a CV, more a precis 1969 and

December 10, 2022

Colluvium – the source for most of Earth’s alluvium Colluvium is a sedimentary deposit that

December 9, 2022

Modern and fossil critters, trace fossils, shell morphology Many, but not all the terms included

November 27, 2022

Mountain streams – the ultimate source of sediment for many fluvial systems The idea for

November 13, 2022

A post on debris flows, mud flows, hyperconcentrated flows, mud torrents, gravel flows slurry flows,

November 7, 2022

Pebble, cobble and boulder beaches and their shoreface equivalents. The swimmability of a beach, if

October 31, 2022

Featuring tabular, trough, and horizontally crossbedded gravels General occurrence Tabular and trough crossbedding in gravel

October 24, 2022

Gravel, conglomerate, breccia, pebbly mudstone, diamictite, rudstone, lapilli tuff Conglomerates are eye-catching. They tend to