by Gelogia Team | Jun 13, 2025 | Historical Geology, Structural Geology
What Are Terranes? Terranes are fault-bounded crustal blocks that have distinct lithologic and stratigraphic successions and geologic histories different from those of neighboring terranes (Schermer et al., 1984). Most terranes have collided with continental...
by Gelogia Team | Jun 12, 2025 | Physical Geology & Geomorphology
Ophiolites: Ophiolites are tectonically emplaced successions of mafic and ultramafic rocks that are considered to represent fragments of oceanic or back-arc basin crust (Coleman, 1977; Moores, 1982). Units of Ophiolites: An ideal ophiolite includes from bottom to top...
by Gelogia Team | Jun 11, 2025 | Physical Geology & Geomorphology
Convergent Margins: Convergent margins occur where the adjacent plates move toward each other and the motion is accommodated by one plate overriding the other. In plate tectonics, a convergent boundary, also known as a destructive plate boundary (because of...
by Gelogia Team | Jun 3, 2025 | Physical Geology & Geomorphology
Seismology: Seismology (from Greek σεισμός “earthquake” and -λογία “study of”) is the scientific study of earthquakes and the propagation of elastic waves through the Earth or through other planet-like bodies. Seismology studies seismic waves...
by Gelogia Team | Jun 1, 2025 | Hydrology
Classification of Aquifers: Geologically, they can be classified based on the age and composition of the sediments or rocks that host them. The four main types are: Holocene Aquifers Late Pleistocene-Holocene Aquifers (Unconsolidated to semi-consolidated):...
