Why do geologists correlate rock layers?
Regional SpecificsIf we want to understand the geological history of a location, we need to look at the rocks in that location. But if we want to understand a region, we need to correlate the rocks between different locations so that we can meld the individual histories of the different locations into one regional history. How
Can lava burn through anything?
Regional SpecificsSo by the time it’s out of the volcano, lava is generally not quite hot enough to melt the rocks it flows over. But lava flows can set fire to grass, bushes, and trees. Can a human melt in lava? Most lava is very hot—about 2,000 degrees Fahrenheit. At those temperatures, a human would probably
How many times did Mount Merapi erupted in 2010?
Regional SpecificsBetween 25th-26th October 2010, Mt Merapi erupted three times; thousands were evacuated from a 20km radius around the slopes of the volcano. The column of smoke rose vertically to 1.5km and pyroclastic activity began to subside, 18 people were found dead. How many times has Mount Merapi erupted? It is the most active of Indonesia’s
What is basal ice?
Regional SpecificsBasal ice is the ice close to the base of a glacier or ice sheet that has been affected by processes operating at the glacier bed (Hubbard and Sharp, 1989; Knight, 1997). What is basal ice layer? The layer of ice at the bed of a glacier that is the product of melting and refreezing
What is Coprolite worth?
Regional SpecificsCoprolites can range in value from a few dollars to many thousands of dollars, Frandsen said. For instance, in 2014, one of the longest-known coprolites sold at auction for more than $10,000. Frandsen said that size, distinct impressions, ripples and “the classic poo look” make a coprolite expensive or valuable. How much is dino poop
When was the last big earthquake in San Diego?
Regional SpecificsA magnitude 7.1 earthquake struck 10.5 miles north-northwest of Ridgecrest in the Mojave Desert on Friday, July 5, 2019, at 8:19 p.m., on the heels of a magnitude 6.4 earthquake that struck about 7.5 miles southwest of the Searles Valley in the Mojave Desert on Thursday, July 4, 2019, at 10:33 a.m. What was the