Category: Geology

Why is cross section important?

Cross-sections are important tools that aid in the interpretation and presentation of geological data, however; they provide only a two-dimensional picture and must be interpreted accordingly. They are most effectively used in conjunction with other illustrative techniques. What does cross section tell you? Cross sections tell physicists how likely particles are to interact in a

What gemstones are found in Nevada?

Beryl, faustite, nephrite, magnesite, rhodonite, topaz, and vesuvianite have all been found in Nevada. What is Nevada’s precious gemstone? Valley black fire opal The Virgin Valley black fire opal was declared Nevada’s official state precious gemstone in 1987. Are there rubies in Nevada? Let us present to you all you need to know about rockhounding

How does heat flow cause changes to Earth?

Moreover, the way that this works is that convection currents in the mantle (inside the Earth) causes tectonic plates to move when material near the Earth’s core rises, and colder mantle rock sinks. In addition, this movement allows for the creation of many geological features. How does heat flow change Earth’s surface? How does all

How much do geodesic domes cost?

Geodesic Dome Kits Geodesic kits start at $50,000. This seems like a steal until you realize you’ll need help building it. Most companies will charge $80 per square foot if you do it yourself and up to $200 per square foot for them to build it. How expensive is geodesic dome? The cost varies by

What does lava become?

When a volcano erupts, the molten rock (or magma) that comes out of the Earth is called lava. Because lava is so hot (more than 1,100 degrees C, over 2,000 degrees F), it remains molten and flows across the ground until it cools and hardens into rock. Does lava become magma? The distinction between magma

Is Oregon expecting an earthquake?

Is there going to be a big earthquake in Oregon? Currently, scientists are predicting that there is about a 37 percent chance that a megathrust earthquake of 7.1+ magnitude in this fault zone will occur in the next 50 years. This event will be felt throughout the Pacific Northwest. How likely is earthquake in Oregon?

Is basalt stone porous?

Is basalt rock porous? Basaltic lavas tend to be fluid and form thin flows that have a considerable amount of primary pore space at the tops and bottoms of the flows. Numerous basalt flows commonly overlap and the flows commonly are separated by soil zones or alluvial material that form permeable zones. Does basalt absorb

How do you kill pyrite?

What dissolves pyrite? Also, pyrite should dissolve/decompose in strong nitric acid (at least 20% by volume, I think), but first you need to grind it into powder. After dissolving, pyrite would leave a yellowish deposit of sulfur. How do you neutralize pyrite? Remove the pyrites, again using rubber gloves, and rinse them in running water.

How is plagioclase feldspar different from orthoclase feldspar?

Note that the plagioclase differs from the orthoclase in terms of the additional metals, plagioclase having calcium or sodium and orthoclase having potassium. The feldspars have similar physical properties and typically have a luster ranging from glassy to pearly. What is the difference between plagioclase and orthoclase feldspar? The key difference between orthoclase and plagioclase

What does deposition science mean?

Deposition is the laying down of sediment carried by wind, flowing water, the sea or ice. Sediment can be transported as pebbles, sand and mud, or as salts dissolved in water. Salts may later be deposited by organic activity (e.g. as sea shells) or by evaporation. What is an example of deposition in science? The

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