SEDIMENTARY ROCK

SEDIMENTARY ROCK 

 

Sedimentary rock

Sedimentary rock is molded rock of igneous rock that experience decay that so metrialdari is that rock escapes and then terkumul is back in hollow henceforth experiences precipitation. Decay is process one so ascendant to sedimentary rock. Differentiated decay becomes three namely mechanical decays,kimiawi's decay,and organic's decay.  

Base genesanya (forming process) sedimentary rock at divides to become: 

a. Klastik's sedimentary rock

Sedimentary rock klastik is molded rock through mechanical ala decay process. There is scheme even klastik's sedimentary rock forming namely as follows: 

sementasi

Decay

transportation

Litifikasi

Significant escapes

sedimentation

Kompaksi

Significant collected

Available a lot of klastik's sedimentary rock example amongst those is as follows: 

1. Conglomerate

Determinant: 

v Texture

Conglomerate stone is divided as two namely: 

Ø  Parakonglomerat

Texture consisting of fragment,matrix and cement. Its matrix contains at least 15% iukuran sand and smaller item measure( <2mm)sisanya lebih besar. 

Ø  Ortokonglomerat

Orthoconglomerates consisting of klas backed up by less than 15% sand particle matrixs and fine. 

v Structure

Ø  Measure numbers: measure numbers conglomerate turns in at crude item measure namely be more than 2 mm. 

Ø  To circle numbers: rounded. 

Ø  Pemilahan (sorting) : most good pi (well sorted). 

Ø  Pack (fabric) : exposed pack. 

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2. Breksi

Determinant: 

v Texture

Lap over on dashed mineral fragment or rock is cemented in company with ground matrix, one that maybe kindred or different of fragment composition. 

v Structure

Ø  Measure numbers:are even greater of 2 mm

Ø  To circle numbers:angular

Ø  Pemilahan (sorting) :sorted good (well sorted) 

Ø  Pack (fabric) :exposed pack

v Mineworker firm

3. Limestone

Determinant: 

v Texture

Formed from cement item that can as fragment of rock already preexist or minerallic's mono crystal. Fastener cement numbers this usually as calcite, clay and silica. 

v Structure

Ø  Measure numbers: 0. 0625 - 2 mm

Ø  To circle numbers:rounded

Ø  Pemilahan (sorting) :sorted by bad (poorly sorted) 

Ø  Pack (fabric) :enclosed pack

v Mineworker firm

4. Clay stone

v Texture

Formed from ethereal mineral item because most transportation at sectioned most river tip. Its texture is graded on matrix and cement. 

v Structure

Ø  Measure numbers: 0,0390625 mm

Ø  To circle numbers:rounded

Ø  Pemilahan (sorting) :sorted by bad (poorly sorted) 

Ø  Pack (fabric) :enclosed pack

v Mineworker firm

5. Anglomerat

v Texture

Aglomerat (of meaning' agglomerare' Latin language' to form as ball') are accumulate block crude outgrow vulkanik's material that contains at least 75 bom%. 

v Structure

Ø  Measure numbers: 0,0390625 mm

Ø  To circle numbers:angular

Ø  Pemilahan (sorting) :sorted be

Ø  Pack (fabric) :enclosed pack

v Mineworker firm

Haven't available

b. Sedimentary rock Non klastik

1.Limestone

v Texture: 

Whitewash is sedimentary rock a large part consisting of calcite mineral and / or aragonite, one that different crystal calcium carbonate (CaCO3). As most other sedimentary rock, limestone consisting of digit, but most item petrifies

whitewash is being bone fragment go out to sea as rock or foraminifera. Numbers another carbonate consisting of limestone ooids, peloids, intraclasts, and extraclasts. Severally limestone is not consisting of digits absolutely and formed utterly by calcite chemical precipitations or aragonite. namely travertine. 

v Structure

Fosiliferous,its component is fossil (rock is not cohesive) 

v Mineworker firm

2.Coal

v Texture: 

Coal is black inflammable sedimentary rock or color black brownish usually happen on rock coat at streaked or urat is bed the so called coal. Stricter forms, smoulder stonelike anthracite, can be looked on as metamorfik's rock because presentation then for high temperature and pressure. Coal is especially consisting of carbon stand up with to foot up another element variable, particularly fumigates, hydrogen, oxygen and nitrogen

v Structure

Fosiliferous,its component is fossil botanical

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3.Dolomite

v Texture: 

Dolostone or dolomite rock is carbonate sedimentary rock that contain tall percentage of mineral dolomite. 

v Structure

Cone in cone,multilevel little conic quits

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4.Salt stone

v Texture

Molded salt stone of mineral halite which experience chemical decay is next most sedimentation. This rock available at beach region. 

v Structure

Konkresi,granulous irregular and porus because dissolution. 

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5.Rijang (chert) 

v Texture

Rich silica rock ground sedimentary mikrokristalin, cryptocrystalline or microfibrous what do maybe meaty little fossil. This varies greatly deep colour (of white goes to black), but right usually bermanifestasi as grey as, chocolate, grayish brown and green light becomes to tingle rusting, its color is one expression from trace element is present in stone, 

and both of red and green that right usually is engaged iron ex (in form most oxidation and reducing each). 

v Structure

Bioherm,get beings fossil component insitu. 

v Mineworker firm

Process Soiled Forming
Formation earth at divides to become four phases

1. Exposed rock goes to earth surface will get interaction face to face with atmsosfer and hidrosfer. On this phase environment gives influence to condition of physical. Get its interaction rock with atmospheric and hidrosfer triggers its happening kimiawi's decay.

2. After experiences decay, a part wearthered rock wills be soft. Then water turns in at rock so visceral more decay happening. On this phase at rocks surface coat was wooded prospective living thing.

3. On phase is it third botanical wooded beginning rock pioneer. That botanical root form crack at streaked rock which its wooded. Herein happens biologis's decay.

4. At the latest phase soiled as lush and wooded plant which ralatif outgrows.
5. Formation mineral kind sort at nature will result various given rock type. That natural process can variably and form rock type that variably too. Magma coagulation will form various igneous rock type. Sedimentary rock can be formed since various natural process, as process of desolation or rock disintegration, chemical decay, kimiawi's process and organis and sublimate process / evaporation. Alone volcano eruption gets to result piroklastik's rock. Molded metamorphic rock of various rock type already been formed earlier then experiences temperature's step-up or high enough pressure, but that temperature's step-up alone
6. maximal under temperature magma. 
7. ROCK CYCLE
8. IGNEOUS ROCK
9. Magma can chill and icing under or up the stairs earth surface. If ices under surface earths, formed by named rock rock freezes in or be called also igneous rock intrusive (often also been said as igneous rock).