What roles did abiotic factors play in succession after the eruption?
GeologyAbiotic factors were critical to plant and animal survival and colonization. Wind played an important role in transporting spiders, insects, and seeds into the blast zone. Plant survivors, rocks, and landscape features acted as “nets” that caught windblown seeds. What roles did factors such as moisture and landforms play in succession after the eruption? What
What causes continental rise?
GeologyContinental rises form as a result of three sedimentary processes: mass wasting, the deposition from contour currents, and the vertical settling of clastic and biogenic particles. Where is the continental rise and how is it formed? Alluvial or sedimentary fans are shallow cone-shaped reliefs at the base of the continental slope that merge together, forming
Does California have an earthquake warning system?
GeologyAccording to Cal OES, California residents can receive ShakeAlert messages through their phones via Wireless Emergency Alerts (WEA). That system is used for a variety of alerts, including presidential alerts about national emergencies and Amber alerts about missing children. Why does California not yet have an earthquake early warning system? When it comes to building
How is Yule marble formed?
GeologyThe forces that created Yule Marble make it distinct from all other American marbles. It was formed by contact metamorphism, unlike Vermont marble and Georgia marble, which are the result of regional metamorphism, a process more associated with the orogeny and erosion of mountain ranges on a regional scale. Why Does Colorado have a lot
What is folding of rocks?
GeologyFolds result from the slow deformation of rocks. This happens deep underground where the rocks are under pressure and temperatures are higher. Folded rocks are common in mountain ranges like the Alps, Himalayas and the Scottish Highlands. Up-folds are called anticlines. What does folding mean in rocks? fold, in geology, undulation or waves in the
What is the difference between rocks and minerals?
GeologyA mineral is a naturally occurring substance with distinctive chemical and physical properties, composition and atomic structure. Rocks are generally made up of two of more minerals, mixed up through geological processes. What are three differences between rocks and minerals? A rock is inorganic and a solid naturally-formed substance without any chemical composition or atomic
What was Wegener’s theory of continental drift quizlet?
GeologyWegeners hypothesis was that all the continents were once joined together in a single landmass and have since drifted apart. Wegener gathered evidence from different scientific fields to support his ideas about continental drift. He studied land features, fossils, and evidence of climate change. What was Wegener’s theory of continental drift? Wegener’s continental drift theory
What two plates caused the Nepal earthquake?
GeologyCauses. On a 7.8 earthquake struck Nepal in Asia. The earthquake occurred on a convergent collision plate boundary between the Indian and Eurasian plates. The focus was only eight kilometres deep and the epicentre was just 60 kilometres north-west from the capital Kathmandu. What were the two plates that caused the earthquake? Tectonic Plate Boundaries
What type of rock is lava?
GeologyExtrusive Igneous Rocks: These are the rocks that form at erupting volcanoes and oozing fissures. The magma, called lava when molten rock erupts on the surface, cools and solidifies almost instantly when it is exposed to the relatively cool temperature of the atmosphere. What type of rock is lava rock? extrusive igneous rocks When lava
What is black magnetic sand?
GeologyBlack sand is sand that is black in color. One type of black sand is a heavy, glossy, partly magnetic mixture of usually fine sands containing minerals such as magnetite, found as part of a placer deposit. Another type of black sand, found on beaches near a volcano, consists of tiny fragments of basalt. What