Category: Under the microscope

March 18, 2025

This is the companion Atlas to the Cool-water carbonates – outcrop images. New Zealand cool-water

December 13, 2023

Miller, and Miller-Bravais indices are the standard where every face on a crystal is given

January 20, 2023

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

May 14, 2022

The utility of lithic grains as provenance indicators The composition of terrigenous sandstone is usually

May 7, 2022

The term neomorphism is reserved for recrystallization of a mineral and its polymorphs to new

February 21, 2022

Ignimbrite is a rock name. Ignimbrites form primarily from the collapse of eruption columns during

January 31, 2022

Glauconite – an important stratigraphic and paleoenvironmental indicator Glauconite is one of the most recognizable

January 19, 2022

Two important contributors to bioclastic limestones – foram tests and skeletal sponge spicules Foraminifera

January 9, 2022

Bryozoa – are a complex but important group of reef and non-reef invertebrates and

January 8, 2022

Echinoderms and barnacles are important contributors to bioclastic limestones Echinoids are a diverse phylum with