This type of metamorphic rock is the name of highest-grade metamorphic facies. Metamorphic rocks are the most difficu lt to understand and to identify. Metamorphic source rocks, the rocks that experience the metamorphism, are called the parent rock or protolith, from proto– meaning first, and lithos- meaning rock. The pressure applied to the reforming rock causes the differences in the way the rock looks once recrystallized and determines whether it will be foliated or nonfoliated. Learn vocabulary, terms, and more with flashcards, games, and other study tools. If the rock contains no visible fossils and has a crystalline, fine-grained, non-foliated texture, it’s most likely a marble. (c) below a waterfall. While sedimentary rock is formed from sediments, and igneous rock is formed from molten magma, metamorphic rock is rock made from pre-existing rocks. It was formed from _____. Phyllite is a foliated metamorphic rock that is made up mainly of very fine-grained mica. Metamorphism occurs when solid rock changes in composition and/or texture without the mineral crystals melting, which is how igneous rock is generated. Q9 Which metamorphic rock was most likely produced in the contact zone between the Palisades sill and the sedimentary rock? True False Which of the following is least likely to occur during metamorphism? Most metamorphic processes take place deep underground, inside the earth’s crust. (Foliated means the parallel arrangement of certain mineral grains that gives the rock a striped appearance.) It is this banded appearance and texture - rather than composition - that define a gneiss. An igneous rock containing large crystals is most likely a(n) answer choices Chemical Rock Foliated Rock Extrusive Rock Intrusive Rock Tags: Question 3 SURVEY 30 seconds Q. Foliated metamorphic rocks would most likely be found in: a. Which geologic processes are most likely responsible for the banding and (d) the bottom of a quiet lagoon 6. Other bands contain platy or elongate minerals with evidence of preferred orientation. The Process Both foliated and nonfoliated rocks begin their lives as either sedimentary, igneous or another metamorphic rock. A river flood plain b. It is composed mainly of flake-shaped mica minerals in parallel alignment. The three metamorphic rocks listed below all form from a sedimentary rock called shale. There are no visible gas pockets in the rock. ) Question: Which of the following rocks would you most likely find in a cave? This occurs due to heat and pressure given on a single plane of axis, one direction, where the re-crystallization of the minerals in the rock are elongated along that axis. Diagrams A and B represent magnified views of the arrangement of mineral crystals in a rock before and after being subjected to geologic processes. (b) in the rapids of a steep mountain stream. Which observation would help the scientist conclude that a sample is foliated metamorphic rock? Shale is made from mud and clay in places like seafloors and swamps. Sample D, cuz isn't a metamorphic rock is when theres extreme pressure on top it when it cools down it forms into a rock mixedgirlk2 mixedgirlk2 The answer is Sample D Rock found in the zone between A and B is non-foliated and fine grained. Foliated Metamorphic Rocks: Some kinds of metamorphic rocks -- granite gneiss and biotite schist are two examples -- are strongly banded or foliated. A metamorphic rock's texture and composition reflect the degree of metamorphism it has undergone. It is intermediate in grade between slate and schist. Which rock sample is most likely a foliated metamorphic rock? conglomerate foliated metamorphic rock chemical sedimentary rock intrusive igneous rock Answers Mine Ask your question Login with google This rock sample is most likely (1) sandstone (2) gabbro (3) granite (4) A student obtains a cup of quartz sand from a beach. Photo by Zureks. The rock on the right is foliated. Which statement about the rocks is accurate? Foliated metamorphic rocks are metamorphic rocks that are banded or layered. A) metamorphic rock B) sedimentary rock B) gneiss recrystallization of rocks C) cooling and solidification of molten magma number of fossils present C) igneous rock D) volcanic rock erosion of rocks 65. Foliated Metamorphic Rocks Slate A very fine-grained (less than 0.5-millimeter) foliated rock composed mainly of minute chlorite and mica flakes (too small to be visible to the human eye) is termed slate. During metamorphism, protolith chemistry is mildly changed by increased temperature (heat), a type of pressur… Illustrate how the three different types of rocks can change into another type of rock… This rock is most likely answer choices metacongolomerate marble gneiss quartzite Tags: Question 10 SURVEY 120 seconds Q. O This Rock Is Foliated This Is Likely A Low.grade Metamorphic Rock None Of The Above Are True This Rock Is The Result Of Contact Metamorphism Question 5 1 Pts Which Type Of Metamorphism Is Most Likely To Occur At A Metamorphic rocks are classified as either foliated or non foliated depending on their mineral structure and pattern Metamorphic rocks are rocks that have changed from one type of rock to another. The strong parallel alignment of the mica grains allows the rock to be easily split into sheets or slabs. Foliated rock is a special type of metamorphic rock that has distinct, repetitive layers. page 4 Which type of rock is represented by the accompanying map symbol? This eclogite specimen from Jenner, California, consists of high-magnesium pyrope garnet , green omphacite (a high-sodium/aluminum pyroxene) and deep-blue glaucophane (a sodium-rich amphibole). B: Mica-rich schist. A) A B) B C) C D) D igneous rock D) volcanic rock erosion of rocks At which location is metamorphic rock most likely to be found? B. c. D. elastic sedimentary rock formed from organic substances chemically formed Several bands are visible on this sample of Foliated Metamorphic rock. When shale is metamorphosed to different grades it forms different types of foliated metamorphic rocks. The surface of phyllite is typically lustrous and sometimes wrinkled. Under the conditions of metamorphism, the calcite in the limestone recrystallizes to form a rock that is a mass of interlocking calcite crystals. Slate, schist, and gneiss are three common foliated metamorphic rocks. Of the following, the most likely environment of deposition for mudstone is: (a) in the surf zone. Start studying Metamorphic Rocks. Gneiss is a foliated metamorphic rock identified by its bands and lenses of varying composition, while other bands contain granular minerals with an interlocking texture. Slate is a hard, fine-grained rock with a well-developed rock cleavage or slaty cleavage caused by the incipient growth of platy (micaceous) minerals, due to metamorphism of fine-grained clastic sediments such as shale and siltstone and also volcanic tuffs. These layers form as the conditions (heat and pressure) change for each layer of the rock. Show a picture of the rock cycle bef ore beginning this unit. Gneiss is a foliated metamorphic rock. These are two metamorphic rocks. A related rock… Si and O Q10 Identify two elements that are commonly found in all three minerals in the data table. Image F. A: Slate roof tiles. It is composed primarily of the mineral calcite (CaCO3) and usually contains other minerals, such as clay minerals, micas, quartz, pyrite, iron oxides, and graphite. Marble is a metamorphic rock that forms when limestone is subjected to the heat and pressure of metamorphism. The specimen shown above is about two inches (five centimeters) across. Metamorphic rocks start as one type of rock and—with pressure, heat, and time—gradually change into a new type of rock. Foliated metamorphic rocks are identified on the basis of their texture: Slate = formed at very low temperatures and pressures, rock breaks along nearly perfect parallel planes; used in … Photo by Michael C. Rygel via Wikimedia . Phyllite is a foliated metamorphic rock that has been subjected to low levels of heat, pressure and chemical activity. 39. foliated metamorphic rock Term A scientist is conducting an experiment to investigate samples of metamorphic rock. 2. directed pressure The San Andreas Fault, which runs through California, is two plates sliding sideways past one another. Which of the following rocks would you most likely find in a cave?
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