Posted on April 16, 2022 (Updated on July 9, 2025)
What does a fold and thrust belt tell us about what occurred during an orogeny?
Regional SpecificsWhat does a fold and thrust belt bell tell us about what occurred during an Orogeny? Answer 1: Mainly a fold and thrust belt bell tell us that there was net compression across the plate discontinuity, and that the rocks making up the top plate were of the properties to allow this type of deformation
Posted on April 16, 2022 (Updated on July 9, 2025)
What is Biostratigraphic unit?
Regional SpecificsWhat is biostratigraphic unit in geology? Biostratigraphic units (biozones) are bodies of rock strata that are defined or characterized on the basis of their contained fossils. Biostratigraphic units exist only where the particular diagnostic biostratigraphic feature or attribute on which they are based has been identified. What is biostratigraphic zone? In biostratigraphy, biostratigraphic units or
Posted on April 16, 2022 (Updated on July 9, 2025)
When did Belemnites appear?
Regional SpecificsThere is evidence that belemnites first appeared in the Lower Carboniferous period (about 350 million years ago), but they became common in the Jurassic and Cretaceous periods (from 213 to 65 million years ago). They died out early in the Eocene Epoch (by about 54 million years ago). When did belemnites exist? Belemnites lived during
Posted on April 16, 2022 (Updated on July 9, 2025)
Which fault in southern California is considered the most dangerous today?
Regional SpecificsThe study established how a major earthquake could begin on the San Jacinto fault and continue on the San Andreas, which is California’s longest and one of its most dangerous faults. What is the most dangerous fault in southern California? The San Andreas fault The San Andreas fault is the primary feature of the system
Posted on April 16, 2022 (Updated on July 9, 2025)
How does superposition support evolution?
Regional SpecificsThe Law of Superposition states that older rocks are located toward the bottom, under the younger rocks. … This law proves that evolution could have occurred since fossils found deep in rock structures are older, from a different time, where some generations of species did not exist. What is superposition in evolution? law of superposition,
Posted on April 16, 2022 (Updated on July 9, 2025)
What depth does magma form?
Regional Specifics“What we are now saying is that with just a trace of carbon dioxide in the mantle, melting can begin as deep as around 200 kilometers. “When we incorporate the effect of trace water, the magma generation depth becomes at least 250 kilometers.” How deep in the earth does lava come from? Lava is molten