Gypsum grain size

Selenite is incredibly soft compared to most minerals. It sits firmly at a 2.0 on the Moh’s scale, which is softer than copper (3.0) or even your fingernails (2.5). This makes it unsuitable for jewelry. Selenite is most frequently seen as simple specimens or elongated “wands” which are either large single crystals or carved from single ...

This video shows about the different terminologies used in soil mechanics such as D10, D30 and D60. The soil mass composed of different particles and these t...Different transport processes can be more or less selective about which grain sizes are moved, therefore the degree of sorting can be indicative of the transport medium. For ... Common evaporite minerals include gypsum and halite. Silica is undersaturated in sea water so one would not expect to find it as a direct precipitate from sea water.Quartz conglomerate. Rock Type: Sedimentary – A poorly sorted and mature detrital (clastic) sedimentary rock made up of rounded grains that are gravel sized or larger (2mm or more).This leads to such features of molded gypsum products as smooth surface, accurate size, distinct and plump edges and corners, and refined decorative effects. (3) High porosity, excellent thermal preservation and sound absorption. After building gypsum product is hardened, large amount of pores are formed inside.Tempted to grab a towel and wipe excess glue between joints? Resist the temptation! Here's a better way — and it protects the wood grain. Expert Advice On Improving Your Home Videos Latest View All Guides Latest View All Radio Show Latest V...Mineralogy consists of grain size, texture, lattice imperfection, thermal conductivity, and impurities (Papadopoulos et al. 1994); geological factors include origin, stress history, weathering, and flow regimes (Bell 1993); and environmental conditions comprise temperature, wind, relative humidity, precipitation, evaporation, water …Gypsum Board is one of the widely used construction ... surface covered with aluminum and another surface covered with the heat-reflecting type of foil or with imitation wood grain or another pattern on the exterior surface so ... It is probably the most economical drywall type and comes in different sizes ranging in thickness from 3/ ...

Grain Size Original Sediment Grain Roundness Rock Name; coarse (> 2 mm) gravel: angular: breccia: coarse (> 2 mm) gravel: rounded: conglomerate: medium (0.06 - 2 mm) sand: ... Common chemical …Gypsum deposits occur in many countries, but Spain, Thailand, the United States, Turkey, and Russia are among the leading producers. The largest gypsum crystal was found in the Braden mine in …Choose one: A. A well-sorted clastic rock is made up of different-sized particles. B. Conglomerates consist of a single grain size. C. An immature clastic rock has well-sorted, resistant grains. D. Pieces of broken rock produced by physical weathering are collectively called clasts or detritus. D. Pieces of broken rock produced by physical ...1250.00. Marin Plywood (4 ft x 8 ft) 1/2 in. 550.00. 3/4 in. 950.00. Price and Standard Size of Plywood per pc in the Philippines. UPDATED: Construction Material Prices for Plywood in the Philippines (Mar 2022) UPDATED: All Construction Prices are based on retail prices around hardware in Metro Manila.Shale is a rock composed mainly of clay-size mineral grains. These tiny grains are usually clay minerals such as illite, kaolinite, and smectite. Shale usually contains other clay-size mineral particles such as quartz, chert, and feldspar. Other constituents might include organic particles, carbonate minerals, iron oxide minerals, sulfide ...

Feb 15, 2021 · Cementation involves processes that harden sediments through the precipitation of minerals in pore spaces between grains of rock and mineral fragments, binding them together (Figure 6.40). Common minerals that form cement include quartz, calcite, limonite, hematite, and clays. The cementing minerals are slowly deposited between grains by ... A microchip is a grain-sized transponder implanted just underneath your pet’s skin. Many animal care and control centers microchip dogs put up for adoption, so it’s becoming more common for pets to have a microchip. Veterinarian’s and onlin...Sheets of sandpaper with different grit sizes (40 (coarse), 80, 150, 240, 600 (fine)). Sandpaper and glasspaper are names used for a type of coated abrasive that consists of sheets of paper or cloth with abrasive material glued to one face.. There are many varieties of sandpaper, with variations in the paper or backing, the material used for the grit, grit …The climate of the source area can also influence composition. Most breccias are a mix of rock fragments and mineral grains. The type of rock that the fragments were produced from is often used as an adjective when referring to the rock. Some examples: sandstone breccia, limestone breccia, granite breccia, chert breccia, basalt breccia, and others.Sedimentary rock - Clastic, Chemical, Organic: The texture of a sandstone is the sum of such attributes as the clay matrix, the size and sorting of the detrital grains, and the roundness of these particles. To evaluate this property, a scale of textural maturity that involved four textural stages was devised in 1951. These stages are described as follows.

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where p 0 (d ≤ d i) is the original mass ratio of the rock grains with the size not larger than d i, d i is the largest grain size in the group i, d M is the largest grain size in the sample and n is the Talbot power exponent (TPE), which is set as 0.1, 0.2, 0.3, … ,1.0 in our experiments, and the percentage curves of the rock grains in ...Common chemical sediments include the precipitated minerals halite (rock salt), gypsum, calcite, and various forms of ultra-microscopic quartz grains (cryptocrystalline quartz, listed in the table above as "microquartz").In 2020, the total value of new construction put in place was about USD 1,469 billion in the United States, which reached about USD 1,590 billion in 2021, with a growth rate of about 8%. Thus, this increased the demand for flooring and roofing, which, in turn, increased the demand for the aggregates market. China is in a construction mega-boom.Grain Size Rounding Sorting Rock Name; gravel coarse (> 2 mm) angular: poorly: breccia: rounded: poorly: conglomerate: sand medium (0.0625 - 2 mm) variable: variable: sandstone: rounded to subangular: well to moderately: ... gypsum: softer than fingernail: gypsum rock: evaporating water body « Back to TOP .

In 2020, the total value of new construction put in place was about USD 1,469 billion in the United States, which reached about USD 1,590 billion in 2021, with a growth rate of about 8%. Thus, this increased the demand for flooring and roofing, which, in turn, increased the demand for the aggregates market. China is in a construction mega-boom.Dolomite has a Mohs hardness of 3 1/2 to 4 and a specific gravity of 2.85 ± 0.01. Some dolomites are triboluminescent. The dolomite of most dolostones is granular, with the individual grains ranging in size from microscopic up to a few millimetres across. Most dolomite marbles are coarsely granular with individual grains ranging between 2 and ...General Gypsum Information : Chemical Formula: CaSO4•2(H2O) Composition: Molecular Weight = 172.17 gm Calcium 23.28 % Ca 32.57 % CaO Hydrogen ... Comments: Pencil-sized acicular crystals of gypsum. Location: Naica, Chihuahua, S.A., Mexico. Scale: Specimen size 5 cm.Because ice can transport any sometimes breccia size grain (unlike water or wind), deposits are If glacial origin is typically very poorly-sorted known, the rock is called a "tillite" Alluvial Fan Alluvial fans are fan-shaped wedges of sediment Conglomerate, deposited along the margin of a steep slope. sandstone, and They often contain a lot of ... Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.. Most sandstone is composed of quartz or feldspar …BPB AMERICA INC. PABCO GYPSUM BPB CANADA INC. a division of PABCO building products, LLC CGC INC. TEMPLE-INLAND FOREST PRODUCTS CORP. G-P GYPSUM CORPORATION UNITED STATES GYPSUM COMPANY LAFARGE NORTH AMERICA INC. GYPSUM ASSOCIATION 6525 Belcrest Road, Ste 480 Hyattsville, MD 20782 301-277-8686 Fax: 301-277-8747 www.gypsum.orgseeding with gypsum grains of controlled size and concentration, or by ... Influence of the gypsum grain size on the mechanical and elastic properties ...Jul 15, 2021 · Gypsum rock has a complete crystal structure with different grain size for each type gypsum rock. Many scholars noted the inverse correlation between the strength of nonporous rocks and the size ... Grain-size, grain-sorting, mineral composition and porosity significantly influence gypsum mechanical behaviour. The individuation of textural and compositional …

Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains. Sandstones comprise about 20–25% of all sedimentary rocks.. Most sandstone is composed of quartz or feldspar …

BPB AMERICA INC. PABCO GYPSUM BPB CANADA INC. a division of PABCO building products, LLC CGC INC. TEMPLE-INLAND FOREST PRODUCTS CORP. G-P GYPSUM CORPORATION UNITED STATES GYPSUM COMPANY LAFARGE NORTH AMERICA INC. GYPSUM ASSOCIATION 6525 Belcrest Road, Ste 480 Hyattsville, MD 20782 301-277-8686 Fax: 301-277-8747 www.gypsum.org Caselle et al., 2018b Microcrystalline branching selenite 1.73 – 14.86 gypsum Macrocrystalline selenitic gypsum 2.58 – 9.02 Caselle et al., 2019 Microcrystalline branching selenite 1.73 – 18.35 gypsum The influence of compositional features and textural properties (i.e. size, shape, orientation of mineral grains, porosity) on the …It consists of the mineral gypsum with a very fine grain, massive habit, and even coloring. Alabaster is also used to refer to a similar type of marble, ... a sedimentary rock composed mostly of the mineral chalcedony—cryptocrystalline silica in crystals of submicroscopic size.Depositional environments. Sedimentary rocks are formed by 5 processes, there are erosion, weathering, transport, deposition, and diagenesis process (Boggs, 1991). These 5 processes with 4 types of rocks make up a cycle that is known as sedimentary cycle. The properties of sedimentary rocks such as sediment textures and structures, are …A difference in grain-size distribution, with a coarser and highly sorted size distribution in B-type gypsum. A difference in the features of the fine layers (thicker and mainly composed of equigranular minerals in A-type and very thin films of phyllosilicate minerals in B-type). A difference in gypsum content, that is lower in the B-type gypsum.As an illustration, Fig. 19 a compiles the results of dry and water-saturated uniaxial compression tests on gypsum samples from three different facies: branching selenite gypsum (this study); a massive gypsum facies from the Hafik formation in Sivas basin, Turkey (Yilmaz, 2010); and Volterra gypsum, a very-pure alabastrine gypsum …Study with Quizlet and memorize flashcards containing terms like In order of decreasing size (largest listed first), sedimentary grain sizes include __. A. clay, sand, silt, and gravel B. gravel, sand, clay, and silt C. sand, gravel, silt, and clay D. gravel, sand, silt, and clay E. gravel, silt, sand, and clay, _____ is a coarse-grained sedimentary rock formed by the …Gypsum. Which does not effervesce (at all) in hydrochloric acid? peat, lignite, bituminous, anthracite. ... What is the grain size of sand? rock gypsum.High Magnetic Induction Grain-oriented Silicon Steel Market Size, Shaping the Future with Forecasted Growth and Trends for 2023-2030A fine particle size may be of importance where gypsum is dissolved in irrigation water, it is used as a soil ameliorant, or a quick response is required. On the other ... Canola is more responsive to sulfur than grain legumes, and in turn cereal grain crops. In canola, a minimum of 25 – 30 kg/ha S is generally recommended where sulfur is ...

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MINERAL HARDNESS SCALE: compares the resistance of a mineral to being scratched by 10 reference minerals - makes hardness a reliable diagnostic property - fingernail = 2.5, copper penny = 3.5, steel nail = 4.5, glass plate = 5.5, streak plate = 6.5 Hardness Scale: 1) Talc 2) Gypsum 3) Calcite 4) fluorite 5) Apatite 6) Feldspar 7) Quartz 8) Topaz 9) …Arbitrarily defined limits for the sizes of crystals within an igneous rock. Commonly accepted grain-size ranges are:For sedimentary rocks, see particle size.Rock formations of pure clay minerals are rare. More typically, several species of clay mineral are associated together with clay-sized and silt-sized quartz, mica, and other rock grains. This association is known widely as "shale." In sandstone reservoirs, clay-mineral content typically ranges from 0 to approximately 10% BV.This results in bedding showing a decrease in grain size from the bottom of the bed to the top of the bed. Sediment added as a pulse of turbid water. As pulse wanes, water loses velocity and sediments settle. Coarsest material settles first, medium next, then fine. Multiple graded-bed sequences called turbidites (see figure 7.16 in your text). We would like to show you a description here but the site won’t allow us.Gypsum rock has a complete crystal structure with different grain size for each type gypsum rock. Many scholars noted the inverse correlation between the strength of nonporous rocks and the size ...1250.00. Marin Plywood (4 ft x 8 ft) 1/2 in. 550.00. 3/4 in. 950.00. Price and Standard Size of Plywood per pc in the Philippines. UPDATED: Construction Material Prices for Plywood in the Philippines (Mar 2022) UPDATED: All Construction Prices are based on retail prices around hardware in Metro Manila.Download Table | Chemical analysis by XRF of initial gypsum for the different grain size fractions (oxides wt%). from publication: Dehydration of Gypsum Rock by Solar Energy: Preliminary Study ...Low absorption Ultracal® 30 Gypsum Cement: Is recommended where extreme accuracy and surface hardness are required (i.e. duplicator molds) Provides the lowest expansion of any rapid-setting gypsum cement. Is ideal for splash-casting molds and models for phenolic, polyester and epoxy resins. Sets 25-35 minutes after machine mixing. ….

Grain-size, grain-sorting, mineral composition and porosity significantly influence gypsum mechanical behaviour. The individuation of textural and compositional features that primarily influence the variation in mechanical parameters may offer an interpretation key of the phenomenon.A. Chemical sedimentary rocks are crystalline in texture. B. Gypsum and halite are evaporite minerals. C. Both chert and limestone may have either chemical or biochemical origin. D. Dolostone and limestone are polymorphs—they have the same chemical composition. D. Dolostone and limestone are polymorphs—they have the same chemical …Sep 16, 2013 · Grain Size Rounding Sorting Rock Name; gravel coarse (> 2 mm) angular: poorly: breccia: rounded: poorly: conglomerate: sand medium (0.0625 - 2 mm) variable: variable: sandstone: rounded to subangular: well to moderately: quartz arenite - >90% quartz: subrounded to angular: well to moderately: arkose - >25% feldspar : subangular to angular ... Gypsum rock has an obvious layered crystal structure with the increase of CaSO 4 ·2H 2 O, contributing to the phenomenon with a larger grain size and lower tensile strength.Mined gypsum contains both quartz and dolomite [CaMg(CO₃)₂]. FGD gypsum usually possesses a much smaller and more uniform particle size (more than 95% < 150 microns) than agricultural mined gypsum that is granulated to produce a final size of 2–4 mm. However, FGD gypsum can also be processed to form larger-sized granules.The main types of sedimentary rocks are clastic or chemical. Some sedimentary rocks are a third type: organic. Clastic sedimentary rocks are made of sediments. The sediments …Sep 16, 2013 · Grain Size Rounding Sorting Rock Name; gravel coarse (> 2 mm) angular: poorly: breccia: rounded: poorly: conglomerate: sand medium (0.0625 - 2 mm) variable: variable: sandstone: rounded to subangular: well to moderately: quartz arenite - >90% quartz: subrounded to angular: well to moderately: arkose - >25% feldspar : subangular to angular ... Grain size is the average diameter of clasts (particles) of clastic sediments and rocks. Grain size is the primary parameter in sedimentary geology to divide clastic rocks and sediments in different classes for classification purposes. This subdivision is based on the Udden-Wentworth scale, which differentiates four major classes of sediments ...Then, the relationship between absorption band depth and gypsum size fraction was established using a linear regression. Three software processing steps were carried out to measure the grain size variations of gypsum in the Dune Area using AVIRIS data. Gypsum grain size, Iron powder. A powder is a dry, bulk solid composed of many very fine particles that may flow freely when shaken or tilted. Powders are a special sub-class of granular materials, although the terms powder and granular are sometimes used to distinguish separate classes of material. In particular, powders refer to those granular materials that have the …, Quartz is, by far, the dominant mineral in sandstones. Still there are other varieties. A Quartz arenite – is nearly 100% quartz grains. An Arkose contains abundant feldspar. In a lithic sandstone, the grains are mostly small rock fragments. A Wacke is a sandstone that contains more than 15% mud (silt and clay sized grains).., Sedimentary Rocks (Lab 7) For this lab you will need: Rock and Minerals Quick Study Guide. Mineral and Rock Identification Chart. Rock and Mineral Set. Hand lens. White distilled vinegar. In this lab, you will identify 6 sedimentary rocks. To do so, you will observe various properties of sedimentary rocks such as type, grain size/composition ..., Grain Size Quartz (± cement) Quartz + Feldspar (± cement) Quartz +Clay Matrix (± cement) Calcite Grains (not inter grown crystals) and calcite cement Calcareous Fossil fragments + calcite cement (± calcite grains) Gravel Coarse grained Majority of grains over 2 mm. in di ameter Quartzose Conglomerate if fragments are rounded Quartzose ..., This study reports an investigation into the physical and mechanical characteristics of fine-grained (alabastrine) and coarse-grained (porphyritic) gypsum from Sivas, Turkey. The geotechnical properties improved as the grain size decreased. The Student’s t test indicated that the differences reported between the mean values of the slake durability, Schmidt hardness, unconfined compressive ..., 6 thg 11, 2021 ... ... gypsum, and anhydrite. They ... The texture of a detrital sedimentary rock is determined by its grain size, grain sorting, and grain roundness., During particle-size analysis of soils containing gypsum the soil suspension usually flocculates partially or totally after a period of time, because of the calcium ions released from the gypsum. Vieillefon (1977, 1978, 1979) in comprehensive studies on the improvement of analytical methods for gypsiferous soils, deals especially with the ..., Sedimentary rock - Clastic, Chemical, Organic: The texture of a sandstone is the sum of such attributes as the clay matrix, the size and sorting of the detrital grains, and the roundness of these particles. To evaluate this property, a scale of textural maturity that involved four textural stages was devised in 1951. These stages are described as follows., Today's class will be about what I use for bulk substrate when I'm growing mushrooms. In the next class, we will be spawning our broke boy jars to shoeboxes ..., “Ancient grains” have been officially mainstream since January of this year, when they got their own Cheerios version. The likes of quinoa, spelt, and teff are turning up more and more, always with a hint that they’re healthier than boring ..., The grain size distribution of silver sand, fly ash, moorum and locally available soil specimens has been done as per , and the grain size distribution graph has been shown in Fig. 1. Detailed experimental study has been taken to investigate the degree of compactness, resistance against rutting failure, swelling potential and shear strength of ..., With the ever-changing dynamics of global agriculture, understanding the factors that influence grain market prices is crucial for farmers, traders, and consumers alike. The supply and demand dynamics play a significant role in determining ..., Moirat et al, 2006 Water saturated saccharoid gypsum grain size > 1mm 13.7 15.5 Water saturated saccharoid gypsum 0.1 mm < grain size < 1mm 16.9 3.5 Water saturated saccharoid gypsum grain size < 0.1mm 23.5 4.6 Bonetto 2006 Fine grained gypsum 11.1 – 15.5 Coarse grained gypsum 5.7 – 11.7, Andrew Alden. Updated on June 20, 2019. The grain sizes of sediments and sedimentary rocks are a matter of great interest to geologists. Different size sediment …, The spacing between crystal planes of gypsum rock is 7.6309 nm, the grain size is 691 nm, and the crystallinity is 92.12%. The proportion ratio of Ca, S, O elements in the CaSO 4 ·2H 2 O is 1:1:6., Cementation involves processes that harden sediments through the precipitation of minerals in pore spaces between grains of rock and mineral fragments, binding them together (Figure 6.40). Common minerals that form cement include quartz, calcite, limonite, hematite, and clays. The cementing minerals are slowly deposited between grains by ..., Grain size is the average diameter of sediment fragments in sediment or rock. Grain sizes are delineated using a logbase-2 scale [9; 10]. For example, the grain sizes in the pebble class are 2.52, 1.26, 0.63, 0.32, 0.16, and 0.08 inches, which correlate respectively to very coarse, coarse, medium, fine, and very fine granules. , Grain sizes can range from microscopic clays to large boulders. Sedimentary rocks may be almost any color depending on the source of the sediment. Classifying rocks as ‘sedimentary’ is only the beginning. ... Gypsum. Gypsum is an evaporite chemical sedimentary rock formed when sulfate minerals precipitate out of water., The rocks formed of the sediments having the grain size of 0.0312 mm to 0.004 mm are called silts whereas clays are formed when the sediments of the grain size of0.004 mm to 0.00012 mm are cemented and ... These chemical materials after being settled down and compacted and cemented form chemical sedimentary rocks such as gypsum and salt …, The burning meteor that causes a shooting star can vary from the size of a grain of sand to a 1-meter-long object. As the meteor falls through the atmosphere, it burns up and gives the appearance of a star falling., Grain Size > 2 mm. Clastic Unconsolidated: gravel (rounded), rubble (angular) Consolidated: ... , BPB AMERICA INC. PABCO GYPSUM BPB CANADA INC. a division of PABCO building products, LLC CGC INC. TEMPLE-INLAND FOREST PRODUCTS CORP. G-P GYPSUM CORPORATION UNITED STATES GYPSUM COMPANY LAFARGE NORTH AMERICA INC. GYPSUM ASSOCIATION 6525 Belcrest Road, Ste 480 Hyattsville, MD 20782 301-277-8686 Fax: 301-277-8747 www.gypsum.org , Distillers Grains 18 288 . Dolomite 54 865 Dolomite Lime 46 737 Egg Yoke Powder 23 368 Eggs (Powdered) 22 352 Electrolyte 60 961 Epoxy ... Gypsum 54 865 Gypsum (Calcined) 55 881 Gypsum (Ground) 42 673 Ice, Crushed 40 641 Iron Chromite 114 1826 Iron Fillings 180 2884 Iron Ore ..., 2. Crystal or particle sizes and shapes.— Describe the typical crystal or grain shapes and provide a description of sizes present in the rock unit based on the following standards: • Igneous and metamorphic rocks.—Table 4-1 is recommended for descriptions of crystal sizes in igneous and metamorphic rocks. Crystal sizes, Arbitrarily defined limits for the sizes of crystals within an igneous rock. Commonly accepted grain-size ranges are:For sedimentary rocks, see particle size., Grain size is the average diameter of sediment fragments in sediment or rock. Grain sizes are delineated using a logbase-2 scale [9; 10]. For example, the grain sizes in the pebble class are 2.52, 1.26, 0.63, 0.32, 0.16, and 0.08 inches, which correlate respectively to very coarse, coarse, medium, fine, and very fine granules. , Gypsum, Calcined 55-60 Gypsum, Calcined, Powdered 60-80 Gypsum Dust, Aerated 60-70 Gypsum Dust, Nonaerated 93 Gypsum, Lumps, 1-1 /2 to 3 Inch 70-80 Gypsum, Raw, 1 Inch 70-80 Gypsum, Screenings, 1/2 Inch 70-80 Guano, Dry 70 Hominy, Dry 37 Hops, Spent, Dry 35 Hops, Spent, Wet 50-55 Ilmenite Ore 140-160 Iron Borings, Machine Shop 125 Iron Ore 100-200, Types of Chemical Sedimentary Rocks - Rock Salt (Halite), Gypsum, Chert (silica). Mineral Deposits include iron and phosphorus deposits) Biogenic Sediment - a sediment composed mainly of fossil remains. Diatomite - composed of the remains of algae (diatoms). Radiolarian chert - composed of the remains of floating protozoa called radiolarians., Finally, use the hand lens to closely examine the size of the grains in the clastic sedimentary rocks. Once you are confident of your identifications, answer the following questions. Part A – Identifying Sedimentary Rocks. 1. Sample S1 is called _____. a. Conglomerate b. Crystalline ..., Table 4D–2 Grain size 4D–1 Table 4D–3 Texture 4D–1 Table 4D–4 Secondary cavities 4D–1 Table 4D–5 Rock type classification 4D–2 Table 4D–6 Hardness and unconfined compressive strength 4D–3 Table 4E–1 Line survey data 4E–1 Table 4E–2 Joint set spacing categories 4E–1 Part 631 National Engineering Handbook, This video shows about the different terminologies used in soil mechanics such as D10, D30 and D60. The soil mass composed of different particles and these t..., The main types of sedimentary rocks are clastic or chemical. Some sedimentary rocks are a third type: organic. Clastic sedimentary rocks are made of sediments. The sediments …, Study with Quizlet and memorize flashcards containing terms like 1. In order of decreasing size (largest listed first), sedimentary grain sizes include __. A. clay, sand, silt, and gravel B. gravel, sand, clay, and silt C. sand, gravel, silt, and clay D. gravel, sand, silt, and clay E. gravel, silt, sand, and clay, 2. _____ is a coarse-grained sedimentary rock formed by the …