They are formed from fragments of organic or inorganic materials that have broken down. 2. Which of the following terms is used to describe the consolidation of sediments due to the intense pressing weight of overlying deposits? Various rocks exposed to the denudation process are transported and deposited following which they undergo the process of Lithification and turn into sedimentary rocks. Sedimentary rocks form by sediment which deposits over time. Graph shown, Beach sand and river sand are ____-skewed as wave reworking removes finer sediment. Sedimentary Rocks - A Deeper Look Lesson Plans Chapter Exam Take this practice test to check your existing knowledge of the course material. Which of the following terms is used to describe the layering found in sedimentary rocks? Which of the following scenarios is most likely to result in lithification? When dissolved minerals crystallize and glue sediment grains together, what process is taking place? Porphoritic. Premium members get access to this practice exam along with our entire library of lessons taught by subject matter experts. Textural _________ is marked by a mix of textural parameters (Such a well rounded grains in a large-quantity mud matrix. We'll review your answers and create a Test Prep Plan for you based The first mineral listed is the most susceptible to weathering. front 1. Question 1 of 25 4.0/ 4.0 Points What is the classification of this sedimentary rock? Flint is a hard, sedimentary form of the mineral quartz. Choose your answers to the questions and click 'Next' to see the next set of questions. I suppose a good estimate of the percentage of sedimentary rocks that would be classified as sandstones is about 25%. 2. 3. Sedimentary rocks – the result of deposition of fragments of rocks by exogenous processes. (Hint - What are the major classifications of Use what you know to awnser the following question. types of weathering. Grain size DOES NOT influence this. SCIN 138 Week 4 Exam Which of the following is true of some sedimentary rocks? Which of the following types of sediment is composed of rock fragments? If you looked at a sedimentary rock and noticed that it had some layers lying at angles (i.e. Albite and anorthite, Most common mineral in Earth's CRUST. The scientific study of sedimentary strata. Influenced by transport history, ____ shaped sediments can be found on a beach (because of the back-and-forth movement of waves across the sediment), _____ shaped sediments can be found in a river (because they roll with the water's flow.). Layers of sediment lying at angles to the original horizontal layers. An example of a siliceous chemical sedimentary rock is a. quartz siltstone b. quartz sandstone c. quartz mudstone d. chert e. siliceous argillite 35. Weakest mineral in the Goldrich weathering stability series, Strongest mineral in the Goldrich weathering stability series, Style of chemical weathering which makes caves. ; Based on the mode of formation three major groups of rocks are defined: igneous, sedimentary, and metamorphic. mechanical and chemical. This number is EXTREMELY variable. back 1. settling out of a fluid. Arkose. Strongly influenced by mineral hardness. Click it to see your results. Sedimentary Rocks and Weathering Practice exam questions written by Timothy H. Heaton, Professor of Earth Sciences, University of South Dakota. Learn vocabulary, terms, and more with flashcards, games, and other study tools. When you have completed the practice exam, a green submit button will They are composed of rock fragments that have been weathered from pre-existing rocks. Some sedimentary rock facts are provided below. They form as a result of volcanic processes. (No percent symbol in answer), Percent of lithic fragments or feldspar that must be present for a rock to be considered Feldspathic arenite (Arkose) or Lithic arenite, If there is more than 5% mud content, a rock is considered __________, If there is 50% or more mud content, a rock is considered ________, Beautiful, clean, round quartz (do not include the word "quartz" in your answer), Angular, cleaner quartz (Focus on the grain on the bottom left), Polycrystalline, interlocking crystals, sutured contacts. You will be told if your answer is … not parallel) to the usual horizontal layers, which sedimentary structure would be present? Weathering stability series acronym (do not include the O from the word "or" from the mnemonic) No spaces or commas in the answer. Based on their mode of formation, there are three different types of rocks: Igneous rocks – solidifies from magma and lava. Range of questions on types of rock (sedimentary, metamorphic and igneous), weathering and rock cycle. They are the most common rocks on the earth's surface. The sediments that compose conglomerate are lithified pebbles, cobbles, and boulders that are rounded compared to sand and clay-sized particle that makeup sandstone and shale. Because they form when turbid water rushes into an area then evaporates in the sun, causing the sediments to crack,. They are formed from the cooling and solidifying of magma. What arrangement would you expect to see if there was graded bedding present? Type Yes after reading and familiarizing: Percentage of the CRUST composed of sedimentary rocks (no percent symbol in answer, just the number), Percentage of the SURFACE composed of sedimentary rocks (no percent symbol in answer, just the number). Sedimentary Rock. Biological and Biomedical Using for revision but would be perfectly suitable … They only form under extremely high temperatures. INFORMATION. Halite is an example of a mineral found in rocks that forms from the evaporation of water, making it which of the following? Start studying Sedimentary Rocks - Exam 2. The lowest Froude number is associated with ________, The highest Froude number is associated with _________. Note: much of the overview material for this chapter is replicated in this exercise section for your reference as you complete the lab. Which sedimentary structure is described as small, wavy ridges of sediment and might indicate that the rock originated in a stream bed, lake, or on a beach? Permeability is influenced by (BOTH/SORTING/SIZE?) Number: 20-01113. Sedimentary rocks cover most of the Earth’s rocky surface, but they only make up a very small percentage of the planet’s crust. B. Test your knowledge on sedimentray rocks. You can skip questions if you would like and come View source. Probably the single most characteristic feature of sedimentary rocks is_____. Examples of Clastic Sedimentary Rocks Conglomerate is made up of rounded pebbles cemented together. Depicts a mixing of environments, Most stable configuration of elongate grains (Top pic is clast supported, bottom pic is matrix supported), percentage of pore space (open space) in sediment. Arkose is a raw, coarse-grained sandstone deposited very near its source that consists of … to them later with the "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will What are ripples, dunes, antidunes etc. Field trips: Three field trips will be conducted. The ____ depositional environment produces very well-sorted sediments, A _____ ____ depositional environment produces very poorly-sorted sediments, Poorly sorted sediment produced by glaciers, Well sorted sediment produced by wind and ocean waves, Reflects depositional processes in removing concentrating fine or coarse materials. Igneous rocks with a 2-stage cooling history have a _____ texture. Particles are produced in place WITHIN THE DEPOSITIONAL BASIN, A biochemical carbonate rock that makes up cave systems, Sedimentary rocks composed of minerals precipitated by inorganic processes (Such as gypsum). A. Sedimentary Rocks exam 1 study guide by xCanadensis includes 107 questions covering vocabulary, terms and more. Flint is a hard, sedimentary form of the mineral quartz. felsic rocks are rich in the chemical elements _____ and _____? 1.1.2 Defining what's meant by the term sandstone turns out not to be easy. Which of the following is TRUE of sedimentary rocks? (do not include the word "quartz" in your answer), Type of feldspar including K feldspar (orthoclase, microcline), Calcium or Sodium feldspars. Cooling and solidifying of magma the depositional basin rocks Conglomerate is made up of angular cemented. Transmit interstitial fluid ( fluid flow through the cooling of magma classified as Sandstones is 25! 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