on April 16, 2022
What does it mean when your hematite ring breaks?
GeologyAre hematite rings supposed to break? Third, you need to remember that hematite rings in general are very fragile; drop them and they shatter because hematite is that brittle. It’ll never scratch, which is a bonus, but remember to be careful anyway. All of that being said, this is an okay deal. What do you
on April 16, 2022
What is meant by Mohra week discontinuity?
GeologyMoho discontinuity is defined as the boundary between Earth’s crust and the mantle, observed by a sharp increase in the velocity of the seismic waves passing through the Earth. The name Mohorovicic discontinuity was received from Croatian geophysicist Andrija Mohorovičič, in 1909. What is Mohra week discontinuity? The Mohorovicic Discontinuity marks the lower limit of
on April 16, 2022
Was there an earthquake last night in San Jose?
GeologySan Jose Earthquake FAQ The last earthquake in San Jose occurred 22 hours ago: Minor mag. 1.1 earthquake – 12km SSW of Tres Pinos, CA, on Thursday, Apr 14, 2022 at 12:13 pm (GMT -7). Was there an earthquake last night in Bay Area? The last earthquake in San Francisco Bay Area occurred 29 minutes
on April 16, 2022
Why is it difficult for an organism living in the rainforest to become a fossil?
GeologyIt is difficult for an organism living in a rain forest to become fossilized. The large amount of rain throughout the year causes rapid decay of dead organisms. Also, many scavengers and decomposers work quickly to break down the tissues and structures of rain forest life. 6. What are three reasons why many organisms never
on April 16, 2022
When did Mt Lassen last erupt?
GeologyWill Mount Lassen erupt again? Q: Will Lassen Peak erupt again and if so, when? A: No one can say for sure or when. However, Lassen Peak is considered active because it last erupted about 100 years ago (read more). Geologically recent volcanic activity in an area is the best guide to forecasting future eruptions.
on April 16, 2022
Can diamond be found in rocks?
GeologyThe diamond is the hardest natural substance known. It is found in a type of igneous rock known as kimberlite. The diamond itself is essentially a chain of carbon atoms that have crystallized. The stone’s unique hardness is a result of the densely concentrated nature of the carbon chains. What rocks can contain diamonds? kimberlite,
on April 16, 2022
What method provides the most accurate estimate of a fossils age?
GeologyThe age of fossils is determined by figuring out the age of the rock in which the fossil is found. The most accurate method is radiometric dating…. What do homologous structures vestigial structures and fossils provide evidence of *? Multiple types of evidence support the theory of evolution: Homologous structures provide evidence for common ancestry,
on April 16, 2022
What is the most dangerous volcanic hazard?
GeologyTephra, lahars and tsunami become the dominant fatal causes for incidents and fatalities after about 15 km (Fig. 4). Tephra fall is commonly the most widespread volcanic hazard (Jenkins et al. What hazards make volcanoes so dangerous? Several hazards may affect the area around the volcano, such as lava flows, pyroclastic flows, lahars, jökulhlaups and
on April 16, 2022
What are the properties of minerals?
GeologyMost minerals can be characterized and classified by their unique physical properties: hardness, luster, color, streak, specific gravity, cleavage, fracture, and tenacity. What are the 5 properties for minerals? Minerals can be identified by their color, luster, streak, cleavage, hardness, and even by their chemical composition. What are the 10 mineral properties? These include: color,
on April 16, 2022
When was Harry Hess born?
GeologyWhen did Harry Hess come up with his theory? 1962 In 1962, he proposed a groundbreaking hypothesis that proved vitally important in the development of plate tectonic theory. It addressed several geologic puzzles: If the oceans have existed for at least 4 billion years, why has so little sediment accumulated on the ocean floor? Where