Interpreting ancient environments Archives

Stereographic projection – unfolding folds

February 1, 2019

Restoring paleocurrent trends to their pre-deformation orientations This post is part of the How To… series Sedimentary strata are commonly […]

February 1, 2019

Plotting the orientation of a plane on a stereonet; finding strike and dip from two apparent dips This post is

February 1, 2019

A graphical method for solving the three-point problem This post is part of the How To… series Mapping is the

February 1, 2019

How to measure dip and strike This post is part of the How To… series If we had to designate

January 9, 2019

Greenland is giving up its secrets, one at a time Greenland’s ice-sheet is a significant component of the global ice-ocean

December 11, 2018

The history of science is littered with the misplaced contributions by women, contributions that at best were pushed aside or

November 21, 2018

We are regular visitors to the beach; walks with the kids-grandkids, the dog, swimming, fishing, or just sitting and cogitating. It’s

November 15, 2018

I had the good fortune to work in the Atacama volcanic region a few years ago. It may be the

October 23, 2018

A safe harbour offers a place of refuge. Those in peril (or evading taxes), running before a storm, crossing a

October 14, 2018

How bits of ancient North America (Laurentia) were left behind in the Scottish Hebrides. The jigsaw puzzle of continents and