What is overburden thickness?
Regional SpecificsWhat is thickness of overburden? The average thickness of overburden is 2.5 metres varying typically between 2 – 4 metres. What is overburden in geophysics? Overburden is a soil or rock layer by the weight of the overlying layer. What does overburden mean in geology? In mining, overburden (also called waste or spoil) is the
How is the ocean stratified and what causes the different strata?
Natural EnvironmentsThe ocean is stratified due to differences in density, with warmer, lighter, less salty water layering on top of heavier, colder, saltier water. Mixing between layers occurs as heat slowly seeps deeper into the ocean and by the action of current, winds, and tides. What causes water stratification? Stratification occurs as a result of a
Is limonite a mineral?
Regional Specificslimonite, one of the major iron minerals, hydrated ferric oxide (FeO(OH)·nH2O). It was originally considered one of a series of such oxides; later it was thought to be the amorphous equivalent of goethitegoethiteGoethite is an iron oxyhydroxide containing ferric iron. It is the main component of rust and bog iron ore. Goethite’s hardness ranges from
How long did Mt Pinatubo eruption last?
Regional SpecificsThe eruption lasted for nine hours and caused numerous large earthquakes due to the collapse of the summit of Mount Pinatubo and the creation of a caldera. How many times has Mt Pinatubo erupted? Eruptions of Mount Pinatubo Pinatubo has had at least 6 periods of activity with large explosive eruptions in its past 35,000
What is the climate of the Basin and Range region?
Regional SpecificsTemperature: Summer temperatures in the Southern Basin and Range often measure 100 degrees F or more. Winter temperatures are mild, with few nights falling below freezing. What is the climate in the basin? The Great Basin is considered to have a temperate climate. While its summers are often dry and hot, the winters are snowy
What is the cause of earthquake in San Andreas movie?
Regional SpecificsYes. In the San Andreas movie, a 9.6 magnitude earthquake hits San Francisco, which was triggered by a 9.1 magnitude quake in Los Angeles, following a 7.1 in Nevada. What type of fault is in the San Andreas movie? The San Andreas is strike-slip fault, in which opposing blocks of rocks slide past each other