Category: Interpreting ancient environments

June 20, 2021

Allochthonous terranes, suspect terranes, exotic terranes. In 1972 James Helwig introduced the concept of orogenic

June 6, 2021

By the early 1970s, the new tectonics (the plate kind) had established a firm grip

May 13, 2021

Companion glossaries Abyssal plain: The deepest parts of the oceans at 4000-8000 m, covering 83%

May 13, 2021

Companion glossaries Ablation: The removal of ice and snow by melting, evaporation, wind erosion, sublimation

April 30, 2021

Forearc basins are kinematically linked to accretionary prisms. Forearc basins and accretionary prisms are

April 16, 2021

Some terminology for Thrust faults, duplexes, imbricate fans, and fold-thrust belts. Thrusts are reverse faults

April 9, 2021

Basins formed by flexure of oceanic and continental lithosphere; foreland basin exemplars. What is flexure?

March 26, 2021

A fault is a plane or linear zone of displacement, where rocks on one side

March 18, 2021

Progression of continental rifting to sea floor spreading creates paired (conjugate) passive margins over which

March 16, 2021

Rift basins, ocean basins, and passive margins form a dynamic continuum within the framework of