on April 15, 2022
What are most deep focus earthquakes linked to?
GeologyBy far the most active deep focus faulting zone in the world is that caused by the Pacific Plate subducting under the Australian Plate, Tonga Plate, and Kermadec Plate. Earthquakes have been recorded at depths of over 735 kilometres (457 mi), the deepest in the planet. What are deep focus earthquakes associated with? (ii) Deep-focus
on April 15, 2022
What is the Gold Mountain What is the origin of this name?
GeologyTo the Chinese of the 19th century, North America was known as Gum Shan, or Gold Mountain. The reasons for this title are varied. Many Chinese were leaving China as poverty and warfare racked the country, making it difficult for them to have a traditional life at home. Why is it called Gold Mountain? Although
on April 15, 2022
Where is the western mountain ranges located?
GeologyWestern Mountains Western Hills Location Yunnan, China Geology Mountain type Karstic Climbing Where are the Western Mountains located? The Western Mountains ecoregion includes the Cascade, Sierra Nevada, and Pacific Coast ranges in the coastal states; the Gila Mountains in the southwestern states; and the Bitterroot and Rocky mountain ranges in the northern and central mountain
on April 15, 2022
Is pumice hard or soft rock?
GeologyPumice is an igneous rock that forms when magma suddenly depressurizes and cools. Essentially, pumice is a solid foam. It is light enough to float on water until it becomes waterlogged. Pumice occurs worldwide wherever explosive volcanic eruptions have occurred. Is pumice a hardness? Pumice is a natural mineral having the form of volcanic porous
on April 15, 2022
What was the temperature in the Cenozoic Era?
GeologyTropical surface water temperatures warmed from 22 to 24 °C, based on Equation 1, at the beginning of the Cenozoic to 28 °C during the early Eocene (52 Ma; Figure C34b). The higher estimate is similar to temperatures in the equatorial regions of the modern oceans. When was the Cenozoic Era warmest? The early Eocene
on April 15, 2022
Where does viscon white granite come from?
GeologyMadanapalleViscont White Granite Origin and Name Viscont White granite is quarried near Madanapalle, Andhra Pradesh and Tiruchirappalli, Tamil Nadu, in India. This natural stone is made of even and steady black and white speckling. What level granite is viscon white? Viscount White granite; its hardness in the Mohs scale is 7. To put it into
on April 15, 2022
What time of day was the Loma Prieta earthquake?
Geology5:04 p.m.5:04 p.m. local time. What time did Loma Prieta happen? 5:04 p.m. When. 5:04 p.m., Tuesday, October 17, 1989. The shaking lasted 20 seconds. What time did the 1989 earthquake happen? Its epicentre was in the Forest of Nisene Marks State Park, near Loma Prieta peak in the Santa Cruz mountains, northeast of Santa
on April 15, 2022
Is there a fault line in Massachusetts?
GeologyClinton-Newbury fault zone consists of many faults along a line that forms a 97-mile arc that trends from its northeast end near Newbury, Massachusetts on the Atlantic coast southwestward to Clinton and Worcester, and then south into Connecticut. Is Massachusetts on a major fault line? In Central Massachusetts, the most pronounced fault is the Clinton-Newbury
on April 15, 2022
Why is quick burial of an organism important to fossil formation?
GeologyThe rapid burial of remains beneath a blanket of sediment is critical to the process of fossilization because burial separates the remains from the biological and physical processes that would otherwise destroy them. Why is it important in fossil formation that organisms get buried quickly? Why are organisms that are buried rapidly more likely to
on April 15, 2022
What type of volcano is mole hill?
GeologyMole Hill is a rounded hill composed of basalt, a volcanic rock, formed during the Eocene epoch of the Paleogene period. It is the eroded remnant of what was an active volcano approximately 47 million years ago, making it one of the youngest volcanoes on the east coast of North America. Is Mole Hill an