What is the answer to "_________ is a fragment of one kind of rock found within another kind of rock?"
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A xenolith is an older rock fragment found w/in a newer rock.\n\nIt comes from the Greek which literally translates to "foreign rock".\n\nA xenolith is considered to be an inclusion. Inclusions are any material (rock or fossil) that is older than the rock it is found in.\n\nHope this helps.\n\n:)
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In Geology Fractures in bedrock are structure of a specific region of the earth's crust. A crack or fault in a rock.The solid rock that underlies loose material, such as soil, sand, clay, or gravel. The very basis; the foundation. The lowest point.In Geology a fracture in the continuity of a rock formation caused by a shifting or dislodging of the earth's crust, in which adjacent surfaces are differentially displaced parallel to the plane of fracture. Also called shift.  There are many fault lines across the United States
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The answer is metamorphic. It literally translates to "change form".\n\nThe statement says "pressure & heat" but does not say anything about melting. If it had said melting then it would have been igneous.\n\nIn order for a rock to become igneous it has to have melted completely.\n\nHeat & pressure cause rocks to undergo changes in crystal structure in essence causing them to realign.\n\nExample: Marble is the metamorphic form of the sedimentary rock limestone. The heat & pressure changed the crystal structure but not the chemical formula. It is still CaCO3.
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What kind of stone?\n.
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Or in shorter and more easily understood language...\n\nIt is a wedge of sediments and rocks scraped off the top of the down going plate in a subduction zone
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you need to see whethre the "grains " ae INTERLOCKING, or fixed togethre with a cement. Interlocking grains, whee there are no spaces between them (the "grains" wi be crstals of quartz, felspar and ther minerals depending on type of rock) are indicative of an igneous rock. (or metamorphic) rock. sdimentar rocks are generally made of "clasts" or grains cemented together with a matrix or cement. here are some exceptions to this like evaporites, eg rock salt.
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Believe it or not your question was the trivia question on some rock site to win a prize. They haven't posted the answer as i can see, but i'll give you the link and maybe you can email them for the answer.
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it was dug out of the ground\n\nsee - the next two answers just confirm what i said, in a very wordy way
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That is like asking someone to list all of the existing and past mountain ranges on the Earth. However, not all mountain ranges have exposures of granite. In any case, the list would be quite long. \n\nGranite is found in many parts of the continental crust. Granite is associated with volcanic areas, continental shields (old parts of the continents), and orogenic belts. It forms batholiths (very large area), plutons (smaller in size) and sills and dikes. Granites only form beneath the surface as intrusive rock, and are later exposed by erosion and uplift.  \n\nGranite is found in the Canadian Shield, the Rocky Mountains, the Sierra's, the Appalachians, the Andes, the Arbuckle Mountains in Oklahoma, the Alps, the Pyrenees, West Antarctica, eastern Egypt, the Queensland Granite Belt in Australia, the Urals of Russia, the Zagros Mountains of Iraq,  ...and many many more places....\n\nHere is a good reference on the origins of granite:\nhttp://www.geologynet.com/granite1.htm\n\nThe answer about "granite is a basaltic rock" is wrong. Basalt is an extrusive mafic rock, and granite is an intrusive felsic rock, with a different mineral composition than basalt.
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You've been given exhaustive lists, copied directly from websites without giving proper citation I imagine. \n\nHere is how to think about this question so that you can recall and understand the answer, without just memorizing a bunch of rock names.\n\nUse the rock cycle. Igneous rocks are of two groups, those formed within the earth and those formed by volcanism.  The volcanic rocks will show signs of that volcanism and will be things like black columnar basalt found in massive flows. Obsidian (volcanic glass) that flowed as liquid, scoria and pumice which are like foam because the dissolved gases expanded and made them bubble as they hardened. The other igneous group formed under the earth's surface, and includes things like granite where you can see the crystals that formed as it cooled and solidified. \n\nSedimentary rocks are also in two major informal groups (and a minor third). The first group of sedimentary rocks is clastics. These are formed by weathering, transport and deposition. Weatherings breaks down rocks like igneous, metamorphic and even sedimentary rocks and transport by wind, water, or gravity deposits these rocks as accumulations of clasts, (thus clastics). They become sandstone, shale, and conglomerate. The other major sedimentary group is carbonates. These rocks are 'born' because they are formed by living things. Ocean environments (and lakes too) have many organisms that make shells, corals that make reefs, and algae that make fine carbonate sediments (known as carbonate mud). Even bacteria get into the act helping to precipitate carbonates in many ocean environments. The third group of sedimentary rocks is those that are dissolved by water and deposited by evaporation or precipitation. These include gypsum, halite, sylvite, and many more. \n\nMetamorphic rocks all start life as one of the previous groups. You can metamorphose a granite into a granitic gneiss by burial, pressure and heat. You can metamorphose a basalt into an amphibolite. You can make limestone into marble. Sandstone turns into quartzite.\n\nRemember the rock cycle, associate the rocks as they move through it, and you won't have trouble remembering examples of rock types. Also don’t get tripped up by the difference between a mineral and a rock. Geologists sometimes use the two terms identically, but there is a formal difference between a rock (which is an impure mixture) and a mineral that is chemically consistent.
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It is a sheet silicate, with one cleavage, and a hardness of one.  Found almost exclusively in metamorphic rocks.
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A rolling stone gathers no moss - should be 'bryophitic', I think.\n\n"Nomadic fragments of igneous and metamorphic strata, having non-zero quantities of angular momentum, accumulate no forms of bryophitic plant life"
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I have to admit im not too clued up on the geology of Maryland, however over here in the UK we have in the Mendip Hills something which resembles Obsidian but in fact its not. On a university field trip we went to an old smelt, where the guys used to smelt Limestone and the result was this black shiny stuff that looked identical to Obsidian. The stuff was strewn all over the place in big heaps. Confused the 'ell out of us students initially until we were told the what it actually was. I wish I could remember more about it but then again uni was a bit of a blur!
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no a diamond is a type of rock.\n\na crystal is a type of glass.\n\nsimilar, but not quite the same.
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Rock is a naturally occurring aggregate of minerals and/or mineraloids. Rocks are classified by mineral and chemical composition; the texture of the constituent particles; and also by the processes that formed them. These indicators separate rocks into igneous, sedimentary, and metamorphic.\n\nMinerals are natural compounds formed through geological processes. The term "mineral" encompasses not only the material's chemical composition, but also the mineral's structure. Minerals range in composition from pure elements and simple salts to very complex silicates with thousands of known forms (organic compounds are usually excluded)
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1.  Volcanic rock consisting of large fragments fused together\n2.  A collection of objects laid on top of each other
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The answer is Olivine.