Posted on April 17, 2022 (Updated on July 9, 2025)
Why are index fossils important in correlating rock layers?
Geology & LandformCertain fossils, called index fossils, help geologists match rock layers. To be useful as an index fossil, a fossil must be widely distributed and represent a type of organism that existed for a brief time period. Index fossils are useful because they tell the relative ages of the rock layers in which they occur. Why
Posted on April 17, 2022 (Updated on July 9, 2025)
What is the Protolith of serpentinite?
Geology & LandformProtolith was a Proterozoic-Early Paleozoic upper mantle dunite peridotite that has been multiply metamorphosed during the Devonian, Permian, and Mesozoic. Tightly folded serpentinite from the Tux Alps, Austria. What is the parent rock of serpentinite? Serpentinite Type Metamorphic Rock Miscellaneous May be harder than glass in places Metamorphic Type Hydrothermal Metamorphic Grade Low Grade Parent
Posted on April 17, 2022 (Updated on July 9, 2025)
Can tsunamis happen in Atlantic Ocean?
Geology & LandformAtlantic Ocean Tsunamis: Rare but Possible A tsunami in the Atlantic Ocean is a rare event. Part of the reason for this low incidence of tsunamis is the lack of subduction zones – the most common source of tsunami-causing earthquakes. Why are there no tsunamis in the Atlantic? These subduction zones are both smaller and
Posted on April 17, 2022 (Updated on July 9, 2025)
What type of plate boundary is near the Alaska Range?
Geology & LandformAlaskan tectonics are dominated by Pacific-North American plate interaction. The megathrust boundary between the plates results in both the 4,000-km-long Aleutian Trench and in the arc of active volcanoes that lie subparallel to the trench. What tectonic plates form the boundary near Alaska range? It brought with it fragments of the earth’s crust that fastened
Posted on April 16, 2022 (Updated on July 9, 2025)
What type of mountains are the Appalachian Mountains?
Geology & LandformThe Appalachian Mountains, often called the Appalachians, are a system of mountains in eastern to northeastern North America.… Appalachian Mountains Geology Orogeny Taconic, Acadian, Alleghanian Age of rock Ordovician–Permian Are the Appalachians fold mountains? Today, some of the highest peaks of the Appalachians are less than a third of the height of Everest. The crust
Posted on April 16, 2022 (Updated on July 9, 2025)
What are the veins in marble?
Geology & LandformWhat is marble veining? Veins are the long lines and cross the marble. They are directly linked to the beauty and appearance of marble. Many architects, designers, and decorators looking for this key feature in the implementation of their projects. What causes the veins in marble? Veining in natural stone is what makes each piece