Category: In the field

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

January 7, 2022

Molluscan bioclasts are important components of tropical, and cool-temperate water limestones Bioclasts are probably the

December 3, 2021

This post continues the series on volcanic and volcaniclastic rocks in outcrop, with a brief

October 5, 2021

Natural analogues for full-sized fan deltas Walk any sandy beach at low water, negotiating flotsam,

September 28, 2021

Structural contour maps are the subsurface equivalent of surface topography maps. They are widely used

September 21, 2021

Here is a brief description of a submarine channel complex in the Jurassic Bowser Basin