Storm surges and tempestites
This is the second of three posts on tempestites: 1 Storms and storm surges: Forces at play 3 Evolving tempestite […]
In the field
Storms and storm surges: Forces at play
This is the first of three posts on tempestites: 2 Storm surges and tempestites 3 Evolving tempestite lithofacies models
How do we identify a basin margin?
Some thoughts on how we record and identify sedimentary basins margins. Any discussion about depositional systems and sedimentary basins will
The three pycnals: hypo-, homo-, & hyper
The delivery of sediment to sedimentary basins It is estimated that 95% of the terrigenous sediment load supplied to sedimentary
Graptolite morphology for sedimentologists
For good reason, Early Paleozoic hemichordate fossils derive their name from the Greek graptos, and the Latin version graptolithus meaning
Fluid flow: Stokes Law and particle settling
Stokes Law and the terminal or settling velocity of particles in suspension The experiments conducted by Shields and Hjulström examined
Fluid flow: Shields and Hjulström diagrams
Getting sedimentary grains moving in a flowing medium Formation of granular sedimentary layers and many of the bedforms within requires
Coral morphology for sedimentologists
A description of the common skeletal elements of hard, stony corals Hard corals are essential components of nearly all limestones.
A geological life
Preview (opens in a new tab) Not really a CV, more a precis 1969 and about to begin a BSc
The lithofacies of colluvium
Colluvium – the source for most of Earth’s alluvium Colluvium is a sedimentary deposit that occurs as a thin layer