Ripple lithofacies – ubiquitous bedforms
Use this link to read the introduction to the lithofacies series. Ripples are ubiquitous bedforms in Earth bound and […]
How to do things
Sedimentary lithofacies – an introduction
Lithofacies are the foundation of sedimentary rock description and interpretation This series of articles deals with the description and interpretation
Trilobite morphology for sedimentologists
Common trilobite characteristics to help with identification in outcrop and core Next to the dinosaurs, trilobites are amongst the most
Brachiopod morphology for sedimentologists
Common brachiopod shell characteristics to help identification Tray upon tray of brachiopods, molluscs, trilobites, and graptolites, all requiring familiarization before
Cephalopod morphology for sedimentologists
Our knowledge of how ammonoids and nautiloids functioned is based almost entirely on a single extant species – the chambered
Gastropod shell morphology for sedimentologists
Some basic gastropod morphology to assist sedimentological interpretations This is a companion post to bivalve shell morphology. The world of
Bivalve morphology for sedimentologists
Some basic bivalve morphology to assist sedimentological interpretations Ok, you’re not a paleontologist but during a sedimentological – stratigraphical examination
Lithic grains in thin section – avoiding ambiguity
The utility of lithic grains as provenance indicators The composition of terrigenous sandstone is usually described in terms of the
Neomorphic textures in thin section
The term neomorphism is reserved for recrystallization of a mineral and its polymorphs to new crystal phases having the same
Stratigraphic surfaces in outcrop – baselevel rise
Outcrop expression of maximum regressive, maximum flooding, and ravinement surfaces Six stratigraphic surfaces define the important boundaries of stratigraphic sequences