Posted on April 16, 2022 (Updated on July 9, 2025)
What are erosional and depositional landforms?
Regional SpecificsErosional landforms include headlands, bays, cliffs, caves, arches, stacks, stumps and wave-cut platforms. There are also depositional landforms such as beaches, spits and bars. What are the erosional landforms and depositional landforms? Landforms created because of erosion are called erosional landforms and landforms created because of deposition are called depositional landforms. Erosional landforms: Valleys, potholes,
Posted on April 16, 2022 (Updated on July 9, 2025)
Does Tahoe get earthquakes?
Regional SpecificsIn Lake Tahoe, there are three faults running north to south and have varying degrees of susceptibility to earthquakes. “The West Tahoe Fault is the most active,” Seitz said. Are earthquakes common in Tahoe? University of Nevada, Reno Seismological Laboratory Director Dr. Graham Kent began watching the basin carefully, unsure if these quakes are isolated
Posted on April 16, 2022 (Updated on July 9, 2025)
What are the different eras of Earth?
Regional SpecificsThe Precambrian, Paleozoic, Mesozoic, and Cenozoic Eras The Geologic Time Scale is the history of the Earth broken down into four spans of time marked by various events, such as the emergence of certain species, their evolution, and their extinction, that help distinguish one era from another. What are the 6 eras of Earth? It
Posted on April 16, 2022 (Updated on July 9, 2025)
How are gems different from minerals?
Regional SpecificsNew types of minerals are constantly being discovered within the earth’s surface. So minerals are crystals that make up different types of rocks and gemstones. Gemstones are usually minerals (but sometimes rocks) to which we give more value and that jewelers can make into something attractive. What is the difference between a gem and a
Posted on April 16, 2022 (Updated on July 9, 2025)
Is Lava made out of rocks?
Regional SpecificsLava is molten rock. It is created deep beneath Earth’s surface (often 100 miles or more underground), where temperatures get hot enough to melt rock. Scientists call this molten rock magma when it’s underground. What’s lava made up of? Lava is made up of crystals, volcanic glass, and bubbles (volcanic gases). As magma gets closer
Posted on April 16, 2022 (Updated on July 9, 2025)
What is Rodinia and Pannotia?
Regional SpecificsThe formation of Pannotia was the result of Rodinia turning itself inside out. When Pannotia had formed, Africa was located at the centre surrounded by the rest of Gondwana: South America, Arabia, Madagascar, India, Antarctica, and Australia. What were Rodinia and Pangaea? Rodinia was a supercontinent that preceded the more famous Pangea, which existed between