April 23, 2017 field work igneous James Hutton plate tectonics sedimentary rock stratigraphy tectonics Types of Margins unconformity Geologic Contacts A geologic contact is where one rock type touches another. There are three types of geologic contact: 1. Depositional contacts are those w...
January 04, 2017 geological structures plate tectonics plate tectonics model rock cycle tectonics Types of Margins Continental Accretion and Plate Tectonics Model Continental Accretion Accretion is a process by which material is added to a tectonic plate or a landmass. This material may be sediment, v...