on April 16, 2022
Is chrysanthemum stone a fossil?
GeologyChrysanthemum stones might look painted or like fossils but they are actually natural crystals that formed during the Permian age, or 248 to 290 million years ago. Where does chrysanthemum stone come from? Colored chrysanthemum stone is a natural flower in geology. It is only produced in Liuyang, Hunan province. What kind of stone is
on April 16, 2022
What are geodesic domes made out of?
GeologyA geodesic dome is a structure made of struts that are connected to one another to approximate the shape of a sphere (or part of a sphere). Richard Buckminster “Bucky” Fuller, an American inventor, architect, author, engineer, designer and futurist, patented the geodesic dome in the 1940s and made it popular. What materials are used
on April 16, 2022
What is the evidence for continental drift and plate tectonics?
GeologyFossil Evidence One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Fossils of similar types of plants and animals in rocks of a similar age have been found on the shores of different continents, suggesting that the continents were once joined. What is the evidence for continental drift?
on April 16, 2022
Is there a season for earthquakes?
GeologyIs there an ‘earthquake season’ or ‘earthquake weather’? No. Earthquakes can occur at any time of the year and at any time of the day or night. Earthquakes occur under all weather conditions, sunny, wet, hot, or cold–without special tendency. Where do earthquakes most commonly occur? The two states that tend to get the most
on April 16, 2022
What happened during the Proterozoic era?
GeologyDuring the Proterozoic Eon, modern plate tectonics became active, and the ancient cores of the continents moved over wide areas of the globe, accumulating smaller fragments of crust and sometimes colliding with other large landmasses. The opposite also happened, leading to continental rifting. What lived during the Proterozoic era? During the Proterozoic the atmosphere and
on April 16, 2022
Which of the FF is an active volcano in the Philippines?
GeologyThe six most active volcanoes are Mayon, Hibok-Hibok, Pinatubo, Taal, Kanlaon and Bulusan. Which of the FF are active volcanoes? Active → Active volcanoes erupt regularly examples of active volcanoes are Kīlauea in Hawaii, Mount Etna in Italy and Mount Stromboli also in Italy which has been erupting almost constantly for the last 2000 years.
on April 16, 2022
What does a neutron density log measure?
GeologyIn density logs, which measure electron density and transform it into bulk density, porosity is calculated by assuming the matrix density and fluid density. Neutron log measures the ratio of count rate from the rock, which is equivalent to how much hydrogen index it has. What does a neutron log measure? hydrogen concentration The neutron
on April 16, 2022
What type of volcano is Clear Lake?
GeologyThe Clear Lake Volcanic Field is a volcanic field beside Clear Lake in California’s northern Coast Ranges.… Clear Lake Volcanic Field Highest point Age of rock less than 2.1 million years Mountain type lava domes, cinder cones, maars within volcanic field Last eruption Holocene Is Clear Lake in California a volcano? Geological Summary The westernmost
on April 16, 2022
What does a lodestone do?
GeologyLodestone is a block that lets you alter the place compasses point to, and it can be used in all three dimensions, making it suddenly worth taking a compass with you again. What does the lodestone do in Minecraft? Lodestones can be used together with compasses in Minecraft in order to help players find their
on April 16, 2022
What is the main difference between the two layers of the mantle?
GeologyExplanation: The difference between these two layers of the mantle comes from the predominant mineral phases in the rock. Both the upper and lower mantle consist primarily of silicate minerals. … What is the difference between the upper mantle and lower mantle? The upper mantle adjoins the crust to form the lithosphere, whereas the lower