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

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

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

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

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

19th century experiments that helped quantify the nature of fluid flow, surface waves, and bedforms.

Petrographic (optical, polarizing) microscopes open doors to the architecture of rocks – crystals, grains, cements

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

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

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

Greywacke petrography On the outside, greywacke is generally presented in varying shades of grey commonly