on April 15, 2022
What is the climate in Canadian Shield?
Regional SpecificsThe Canadian Shield is so large that the climate varies across it. Typical Canadian Shield: pines, lakes, bogs, and rock. In the southern parts, the climate is seasonal; the average temperature in the winter is -. 4 degrees F (-18 degrees C), and in the summer it is 77 degrees F (25 degrees C). What
on April 15, 2022
What is called petrification?
Regional SpecificsIn geology, petrifaction or petrification (from Ancient Greek: πέτρα, romanized: pétra, lit. ‘rock, stone’) is the process by which organic material becomes a fossil through the replacement of the original material and the filling of the original pore spaces with minerals. What do you mean by petrification? 1 : to convert (organic matter) into stone
on April 15, 2022
What are synclines and anticlines?
Regional SpecificsFrom Wikipedia, the free encyclopedia. In structural geology, a syncline is a fold with younger layers closer to the center of the structure, whereas an anticline is the inverse of a syncline. A synclinorium (plural synclinoriums or synclinoria) is a large syncline with superimposed smaller folds. What are synclines and anticlines and how do they
on April 15, 2022
What Colour is basalt rock?
Regional Specificsdark gray to blackdark gray to black color. Basalts are formed by the rapid cooling of basaltic lava, equivalent to gabbro-norite magma, from interior of the crust and exposed at or very close to the surface of Earth. These basalt flows are quite thick and extensive, in which gas cavities are almost absent. What does
on April 15, 2022
What are some features of the ocean floor?
Regional SpecificsFeatures of the ocean floor include the continental shelf and slope, abyssal plain, trenches, seamounts, and the mid-ocean ridge. The ocean floor is rich in resources. Living things on the ocean floor are used for food or medicines. Nonliving resources include oil, gas, and minerals. What are the 8 features of the ocean floor? There
on April 15, 2022
What is the scale for volcanic eruptions?
Regional SpecificsVolcanic Explosivity Index (VEI) is a numeric scale that measures the relative explosivity of historic eruptions. Volume of products, eruption cloud height, and qualitative observations (using terms ranging from “gentle” to “mega-colossal”) are used to determine the explosivity value. Is there a scale for volcanoes? The Volcanic Explosivity Index (VEI) is a scale that describes