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What are 2 uses of volcanic rock?
I think there are more than two uses of volcanic rock. There are two FORMS of volcanic rock. One is pumice and the other is obsidian. Pumice is often used for landscaping, personal beauty uses (callus removal), etc. The other is obsidian. Obsidian is like glass and ancient people's used it for tools. Knives, arrowheads, and other tools that one would want to have a sharp edge are perfect uses of obsidian. In modern times, obsidian is used for jewelry, art, and even some modern day surgical tools. Check out geology.com if you have more questions about rocks...
How much is a Cumberland arrowhead worth?
Well if it is authentic it would be worth from $100 to $30K depending on the size, material, workmanship, condition, and color. But if it is a reproduction which the mass majority are then it would be worth $10 to $50 also based on the above.
Is quantum of solace better than twilight?
if i would to watch Solace is better...
Is it better to share a bedroom or to have your own?
i think it's better to have your own bedroom than to share one , but it would be better to have a big bedrrom !
Which is better a doctor or a engineering?
Assuming that you are capable of becoming any one of them, you need to figure out which one would make you happier. If more money would make you happier, then "doctor" would be a better choice, under the above assumptions.
Which rock obsidian or gabbro would make a better arrowhead?
Obsidian. It has very fine grain or is amorphous, and it has a conchoid fracture, so it can be worked to a sharp edge and point. Gabbro, on the other hand, has a very coarse grain and it difficult to get and edge or point on at all.
What is example of igneous rock?
Basalt and pumice.
What rock form from molten?
Rocks formed from solidified molten rock are classified as igneous rock. Examples would be basalt, granite, gabbro, pumice, obsidian, and rhyolite.
What clasts would you obtain if you crushed gabbro?
If you crushed gabbro, you would obtain clasts primarily composed of minerals such as pyroxene, plagioclase feldspar, and olivine. These minerals are common in gabbro, which is a coarse-grained igneous rock primarily made up of these mineral components.
What are the parent rocks of gabbro?
Gabbro is an igneous rock, and therefore does not have a parent rock as would a metamorphic rock. Gabbro is an intrusive igneous rock formed from the slow cooling and solidification of mafic magmas deep underground.
Is gabbro a felsic rock?
No, gabbro is not a felsic rock. Gabbro is classified as a mafic rock due to its dark color and high content of iron and magnesium minerals, while felsic rocks are light-colored and have a higher silica content.
Will obsidian flake in your hand?
Obsidian is a natural glass that can form sharp edges when broken, known as obsidian flakes. However, whether it flakes in your hand would depend on the force applied and the specific condition of the obsidian. Generally, obsidian will flake if enough pressure is applied to break it.
What is 1 example of an igneous rock?
Any rock that erupted on (lava) or within the Earth or crystallized from molten rock (magma). Such rock would fall into two categories: Intrusive (crystallized within the Earth), granite, gabbro, diorite, pegmatite, peridotite and extrusive (erupted and crystallized on the surface) rhyolite, andesite, obsidian, basalt, tuff and pumice.
Could carbon-14 be used to date a stone arrowhead found at an ancient burial site?
A:Carbon-14 dating could not be used directly from the arrowhead itself. However, the bones associated with the arrowhead could be dated by this method, if they are sufficiently recent for this method. If the arrowhead is properly associated with the bones, you would then know its age.
Which is older a gabbro dike or a gray shale?
A gabbro dike is typically older than a gray shale. Gabbro is an igneous rock that forms from the cooling of magma intruding into existing rock formations. Gray shale, on the other hand, is a sedimentary rock that forms from the accumulation of sediment over time. Therefore, the gabbro dike would have formed before the gray shale was deposited.
Will someone start a server on Terraria and give me an Obsidian Skull?
Anyone can give anything on a server and you would get to keep it, just begging people for it is hard, but the obsidian skull is not hard to make. Only 30 obsidian.
What texture of obsidian?
Obsidian is an extrusive rock that cooled very rapidly without forming crystals. As a result, obsidian has a smooth, shiny texture of a thick piece of glass.
