an organic sedimentary rocks

... Galgoci,† Dan King,‡ Daniel Miller,† Robert Newman,*,‡ Linda Peerey,‡ Eva Tai,† and Richard Wolf† Dowpharma Department, The Dow Chemical Company, 1710 Building, and Department of Analytical Sciences, ... Organic Process Research & Development 2007, 11, 846–860 Characterization of the Polymorphic Behavior of an Organic Compound Using a Dynamic Thermal and X-ray Powder Diffraction ... Analytical Sciences, The Dow Chemical Company, 1897 Building, Midland, Michigan 48674, U.S.A Abstract: The crystalline polymorphic forms of several samples of an organic compound produced by Dowpharma...

Ngày tải lên: 14/02/2014, 03:20

... combined into a large organic compound like starch Humans get the protein they need from foods, including beans and milk A bean is a plant seed which contains a tiny plant embryo, together with ... have any doubts about your conclusion? Explain Review and Discussion Questions To show your understanding of organic compounds, identify the type of organic compound shown in each diagram and ... your test results and your predictions for what type of organic compound each substance is? If yes, describe these differences If you found any differences between your predictions and your results,...

Ngày tải lên: 14/02/2014, 03:20

... types of organic compounds are the liquid and dry parts of the evidence that Jerrell found and five types of foods (pretzel, peanut butter, jelly, fat-free yogurt, and beans) Design a plan to get ... reinforce student understanding that our food contains organic compounds made by other organisms for their own needs We use these organic compounds to provide energy and to make the molecules ... to prepare students to answer question on page of the Student Handout • To help your students understand the relationship between organic molecules, food and energy, you can use the following minds-on...

Ngày tải lên: 22/03/2014, 14:20

... show any discoloration during reflow, and the wetting behaviour 123 A nanoparticulate complex between the organic metal polyaniline and Ag has been described for the first time A new type of nano ... nanoAnalytics GmbH in Muenster, Germany The measurements were done using an ESCALAB 250 from Thermo VG Scientific with Fig SEM image of a PCB after treatment with the organic metal/ silver nanoparticle ... according to the standard NF-A-89 400P The performance of copper surfaces treated with organic metal/silver nanoparticle finish and established metallic surface finishes is compared before and after reflow...

Ngày tải lên: 22/06/2014, 18:20

... ripple-marked sand dunes at top of picture Sedimentary Structures Note ripplemarked sand dunes at top of picture Sedimentary structures: Mud Cracks Say you find mud cracks in an ancient sedimentary ... tell us how flow velocity changed during deposition! Higher Velocity Sedimentary structures: Cross-Bedding Cross-bedding is internal bedding that is tilted at an angle to the primary bedding ... about paleocurrent direction? Sedimentary structures: Ripple Marks Oscillation ripples (back and forth) Interpretation: Paleoshoreline Sedimentary Structures: Mud Cracks Ancient mud cracks (cross-sectional...

Ngày tải lên: 29/11/2016, 22:44

... the nature of the source rocks Loose Sediments gravel sand silt clay Sedimentary rocks conglomerate sandstone siltstone shale Detrital Sedimentary Rocks ❖ Other important textural features: Grain ... (Roundness, sphericity) angular intermediate rounded Angular Well-rounded Shapes of sand grains Detrital Sedimentary Rocks ❖ Other Important Textural Properties: Grain size sorting Range of particle ... Detrital Sedimentary Rocks Breccia ❖ Course like a conglomerate, but with angular grains ❖ Short transport! ❖Deposited close to the source area for sediment ◆ Detrital sedimentary rocks Sandstone...

Ngày tải lên: 29/11/2016, 22:46

... Basalt gravels Older sedimentary rocks Younger dune sands Dune sands derived from nearby outcrops of older sedimentary rocks Black Sand Beach, Hawaii Basalt flows Basalt sands Mechanical Weathering: ... break-up of rocks Frost wedging freeze/thaw cycle (ice expands) Unloading remove overlying rock: less pressure Thermal Expansion hot/cold = expand/shrink Organic Activity plants/animals/humans Fig ... processes • Soils •Types of sedimentary rocks: Chemical Origin of Sedimentary Rocks - Derived through the weathering and erosion of pre-existing rocks - Form by the transport and accumulation of fragmental...

Ngày tải lên: 29/11/2016, 22:47

... SED-MET ROCKS- AGE Biological (organic) formed chert SED-MET ROCKS- AGE • chemical (inorganic) rocks • formed from chemical reactions in the oceans or large bodies of water CHEMICAL OR INORGANIC ROCKS ... important in naming biological rocks SED-MET ROCKS- AGE BIOLOGICAL OR ORGANIC ROCKS SED-MET ROCKS- AGE White Cliffs of Dover COAL SERIES buried plants Peat bituminous lignite anthracite methane coal ... Arkose Quartz Sandstone Detrital (clastic) Sedimentary Rocks Smaller Grained Claystone Siltstone Shale SED-MET ROCKS- AGE • biological (organic) rocks • accumulation of animal shells or plant material...

Ngày tải lên: 30/11/2016, 15:37

... settings e.g., a sandstone with abundant volcanic and low grade metamorphic rock fragments Island arc setting Quartz arenite: sedimentary source rocks; uplifted sediments in an orogenic belt ii) ... arenite has less than 15% matrix and is better sorted than a Quartz graywacke The quartz arenite is more mature (greater transport distance and/or more times through the rock cycle) than the Quartz ... changes that particles go through as it is produced by weathering and is transported to a final site of deposition Given that the source rocks for many sediments are pre-existing sedimentary rocks, ...

Ngày tải lên: 30/11/2016, 16:52

... gas,coal, and water — locating these materials requires an understanding of the physical characteristics of different sedimentary rocks and how those characteristics change in 3-D Coconino Sandstone ... Coconino Sandstone Coconino Sandstone up close thin slice of Coconino sandstone seen through microscope un-cemented quartz sand grains from a sand dune So how are sedimentary rocks made? Physical & ... Uniformitarianism — depositional environments of today are physically the same as ancient environments, so clues from the modern can be used to infer ancient environments from sedimentary rocks, or...

Ngày tải lên: 30/11/2016, 16:54

... carbonate rocks ("carbonates") and evaporitic rocks ("evaporites") Lecture Outline Sedimentary rocks Your sedimentary environment and Burial and diagenesis Interpretation of clastic texture Sedimentary ... weathering and/or erosion •e.g., (2) Southern Louisiana => •e.g., (3) offshore Louisiana => Sedimentary Rocks •Cover most of the land surface and seafloor •Your physical geography determines the dominant ... transportation Sedimentary rocks are typically layered, (although layering is not diagnostic of only sedimentary rocks) Lecture Outline Sedimentary rocks; surface processes Your sedimentary environment and...

Ngày tải lên: 30/11/2016, 17:06

... stagnant) • Oil and natural gas – Originate from organic matter in marine sediment – Subsurface “cooking” can change organic solids to oil and natural gas – Can accumulate in porous overlying rocks ... (lake, ocean) – Common examples are rock gypsum, rock salt Organics in Sedimentary Rocks • Coal – Sedimentary rock forming from compaction of partially decayed plant material – Organic material ... pre-existing rocks • Chemical sedimentary rocks – Have crystalline textures – Form by precipitation of minerals from solution • Organic sedimentary rocks – Accumulate from remains of organisms Clastic Sedimentary...

Ngày tải lên: 30/11/2016, 17:06

... and Clastic Rock Types Rock Type Sediment Grain Size Shale Clay less than 0.001 mm Siltstone Silt 001-0.1 mm Sandstone Sand 01-1 mm Conglomerate Gravel 1mm + Sedimentary rocks made of silt- and ... collectively called mudrocks, and are the most abundant sedimentary rocks Clastic Terms Latin Greek Gravel Rudite Psephite Sand Arenite Psammite Silt Lutite Pelite Super-Size Me • Blair and McPherson, ... Breccia • Graywacke Feldspar-Rich Angular Fragments Angular, Immature Sandstone Sandstone Terminology Maturity • • • • Stability of Minerals Rock Fragments Rounding or Angularity Sorting Removal of...

Ngày tải lên: 30/11/2016, 17:06

... also less dense than the country rock, so it too is migrating toward the surface Oil Formation Maturation Given many thousands of years, a stack of mud and organic remains many kilometers thick ... Fossil Sedimentary rocks record environmental information Continental Shelf 10-15K feet of compacted sand and mud Lithification: Compaction and cementation At depth, SiO2 and CaCO3 go into ... spring and early summer Water evaporates in late summer and fall Chemical rocks - Chert Microcrystalline silica Deep water ocean environment, too cold for CaCO3 precipitation Continental Slope Transatlantic...

Ngày tải lên: 30/11/2016, 17:06

... (swamps) die and accumulate to form peat As peat is buried it compresses and eventually changes to form coal Sedimentary rocks ◆ Organic sedimentary rocks Coal ❖ buried and compacted plant material ... precipitates by organic or inorganic processes 3.) Biochemical sedimentary rocks ➨ These rocks form as a result of once living organisms accumulating to form solid rock 1) Clastic Sedimentary Rocks  ... Classification of Sedimentary Rocks  Sedimentary rocks usually originate in water environments, either oceans, lakes, or river beds  Sedimentary rocks are grouped as; 1) Clastic 2) Chemical 3) Organic ...

Ngày tải lên: 30/11/2016, 17:06

... Contents Sedimentary Rocks  Sedimentary rocks are formed by the lithification of inorganic and/or organic sediments, or as chemical precipitates  There are two types of sedimentary rocks: Clastic and ... Chemical sedimentary rocks are formed by a variety of processes and are divided into sub-categories including inorganic, and biochemical or organic chemical sedimentary rocks    Inorganic chemical ... lithification of inorganic and organic sediments deposited at or near the Earth’s surface  Metamorphic rocks are formed when preexisting rocks are transformed into new rocks by elevated heat and pressure...

Ngày tải lên: 30/11/2016, 17:07

... and understanding old climate=paleoclimate TYPES OF SEDIMENTARY ROCKS Clastic rocks • • • • Chemical & Organic rocks Sandstones Conglomerates Breccia Shale/mudstones Evaporitic rocks These rocks ... salt) Carbonate rocks Organic rocks Form basically from CaCO3 – both by chemical leaching and by organic source (biochemical) eg Limestone; dolomite Form due to decomposition of organic remains ... Transportation of sediments and formation of sedimentary rocks by mode of river water- deposition on the continent and on the ocean floor Fluvial deposits Marine deposits SEDIMENTARY ROCKS: ...

Ngày tải lên: 30/11/2016, 17:07

... terrigenous) • Direct inorganic chemical precipitation from water • Precipitation by organic processes Sedimentary Rocks • Three end-member types: • T=Terrigenous • Residual and secondary weathering ... allochemical Sedimentary Rocks • T: Terrigenous • Most mudrocks, sandstones, and conglomerates • 65% to 75% of sedimentary strata • IA: Impure Allochemical • Very fossiliferous shale, sandy fossiliferous ... stratified layers in sedimentary basins • Buried and lithified by • Compaction • Cementation Sedimentary Rocks: Allochemical • Allochemical (mainly carbonate) sediments and rocks • Dominantly biologic...

Ngày tải lên: 30/11/2016, 17:07

... mm Sandstone Sand 01-1 mm Conglomerate Gravel 1mm + Sedimentary rocks made of silt- and clay-sized particles are collectively called mudrocks, and are the most abundant sedimentary rocks Some ... organisms make these? Answer: None Petroleum • Lots of organisms make these, however • Fatty Acids • Probable source: Marine plankton Petroleum Traps Facies Changes Landforms Associated with Sedimentary ... Degree of Change Sedimentary Rocks are the Principal Repository for Information About the Earth’s Past Environment Environmental Clues in Sedimentary Rocks • Grain Size - Power of Transport Medium...

Ngày tải lên: 30/11/2016, 17:08

... Chemical and Biochemical Rocks Chert Coal (Bituminous) C Chemical and Biochemical Rocks Evaporites (Halite and Gypsum) Sedimentary Rocks VI Features of Sedimentary Rocks VI Features of Sedimentary Rocks ... Formation of Sedimentary Rocks A Detrital (Clastic) Sedimentary Rocks III Formation of Sedimentary Rocks A Detrital (Clastic) B Chemical Sedimentary Rocks III Formation of Sedimentary Rocks A Detrital ... C Shape Sedimentary Rocks C Shape Roundness Sedimentary Rocks C Shape Roundness Sphericity Sedimentary Rocks IV Morphology (texture) D Maturity Sedimentary Rocks V Types of Sedimentary Rocks A...

Ngày tải lên: 30/11/2016, 17:08