Earth Explorations

This is the heartbreaking tale of a geologic hero, who mapped the whole of his country from concepts involving the law o... Read more

Here we look into the processes of weathering, erosion, deposition, and lithification. We examine the agents of erosion... Read more

This episode explores as many depositional environments and the general characteristics of the sedimentary rocks that fo... Read more

Starting with parent rocks of limestone, dolomite, and sandstone, we see how these mono-mineralic sedimentary rocks can ... Read more

Here we look at the rocks which precipitate from evaporating water, accumulate from organic skeletons, and form from hot... Read more

A look at the foliated rocks using parental materials of shale and basalt as principal markers for metamorphic grades an... Read more

A closer look at the phaneritic and pegmatitic igneous rocks that crystalize underground

This episode definitely requires mastery of episode 40, Metamorphic Chemistry 1, to fully appreciate. Get these two epi... Read more

A look at the phase rule and it's implications for determining the temperature and pressure levels in a metamorphic rock... Read more

The procedures for construction, and the items to watch out for when constructing a geologic cross section of the geolog... Read more

Knowing the original sequence of rocks is essential for unravelling complicated structure. Having a stratigraphic colum... Read more

Once you've planned for your trip, and hit the ground of your field area, how will you conduct yourself to get the most ... Read more

Before heading out to a field site with limited precious time, you should have a bulk of the work done to get the most o... Read more

This video covers basic clothing, basic gear (hammer, lens, compass) and more specific gear, and the general importance ... Read more

Besides measuring the attitude of rock layers, strike and dip can be used to measure any other planar feature like fault... Read more

The ductile strain structural forms and low stress brittle strains are seen here with folding, boudinage, and jointing.

Avalanches, rock fall, landslides, debris flows, mudflows, and creeping soil are all met in this episode on mass movemen... Read more

Seismic waves can be broken into body waves within the Earth and surface waves trapped at the surface. Body waves can b... Read more

Sea floor spreading drives plate tectonics, but what drives sea floor spreading: conveyor belt motion of the asthenosphe... Read more

An overview of the theory of Continental Drift with a focus on its promoter Alfred Wegener and his conception of the sup... Read more