on April 17, 2022
Is Fool’s Gold California real?
GeologyIs there real gold in fool’s gold? Ironically, pyrite crystals can contain small amounts of real gold, although it is notoriously hard to extract. Gold hiding within pyrite is sometimes referred to as “invisible gold”, because it is not observable with standard microscopes, but instead requires sophisticated scientific instruments. Where is fool’s gold CA located?
on April 17, 2022
How did the supercontinent Pangea break up?
GeologyPangea began to break up about 200 million years ago in the same way that it was formed: through tectonic plate movement caused by mantle convection. Just as Pangea was formed through the movement of new material away from rift zones, new material also caused the supercontinent to separate. What did the supercontinent Pangea start
on April 17, 2022
What type of weathering is caused by animals?
Geologybiological weatheringbiological weathering , is caused by animals and plants. For example, rabbits and other burrowing animals can burrow into a crack in a rock, making it bigger and splitting the rock. You may have seen weeds growing through cracks in the pavement. What kind of weathering does animals cause? Biological Weathering – This type
on April 17, 2022
What landforms are created from basaltic eruptions?
GeologyPlateau or Flood basalts are extremely large volume outpourings of low viscosity basaltic magma from fissure vents. The basalts spread huge areas of relatively low slope and build up plateaus. What are the landforms created due to volcanic eruptions? Key Concept:Volcanic eruptions create landforms made of lava, ash, and other materials. These landforms include shield
on April 17, 2022
What type of rocks are minerals?
GeologyCommon minerals include quartz, feldspar, mica, amphibole, olivine, and calcite. A rock is an aggregate of one or more minerals, or a body of undifferentiated mineral matter. Common rocks include granite, basalt, limestone, and sandstone. What type of rock have minerals? For example granite is an igneous rock mostly made from different proportions of the
on April 17, 2022
What is Biogenous sediment?
GeologyBiogenous Sediment. Biogenous sediments (bio = life, generare = to produce) are sediments made from the skeletal remains of once-living organisms. These hard parts include a wide variety of particles such as shells of microscopic organisms (called tests), coral fragments, sea urchin spines, and pieces of mollusc shells … What is an example of a
on April 17, 2022
Where are the most active volcanoes?
GeologyIndonesiaIndonesia has the highest number of active volcanoes in the world and is one of the places in the world that are located within the Pacific Ring of Fire. This is a 25,000 mile (40,000km) horseshoe-shaped region that borders the Pacific Ocean, where countless tectonic plates clash. Where most active volcanoes are found? the Pacific
on April 17, 2022
What natural disaster caused the destruction of Thistle?
GeologylandslideA giant landslide in April 1983 obliterated the tiny town of Thistle in Utah County. In 1983, the most costly landslide in US history swept down on the tiny town of Thistle, damming up the Spanish Fork River, and severing the rail line that connects Salt Lake City with Denver. When did Thistle Utah flood?
on April 17, 2022
What is the difference between rocks and soil?
GeologyWhat are rocks and soil? Rocks are made of one or more minerals. There are three main classifications of rock, based on the way the rock was formed: sedimentary, metamorphic and igneous. Soil is formed of fine rock particles mixed with air, water and particles from dead plant and animal matter. What is the relationship
on April 17, 2022
What is the largest amethyst ever found?
GeologyThe Empress of UruguayThe Empress of Uruguay” It is 3.27 meters high and weighs two and a half tons. How much is the largest amethyst in the world? It is estimated at $200,000-300,000. How big can amethyst get? Amethyst crystals do not get very large, crystals longer than 30cm are very rare. It is found