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Index fossils are fossils used to define and identify geologic periods.

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Index fossils are fossils used to define and identify geologic periods.

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Fossil molds and casts preserve a three-dimensional impression of remains buried in sediment. The mineralized impression of the organism left in the sediment is called a mold. The mineralized sediment that fills the mold recreates the shape of the remains. This is called a cast.

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Fossil molds and casts preserve a three-dimensional impression of remains buried in sediment. The mineralized impression of the organism left in the sediment is called a mold. The mineralized sediment that fills the mold recreates the shape of the remains. This is called a cast.

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a footprint, trail, burrow, or other trace of an animal rather than of the animal itself.

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Texture refers to the size of the particles that make up the soil. The terms sand, silt, and clay refer to relative sizes of the soil particles.The combined portions of sand, silt, and clay in a soil determine its textural classification.

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Index fossils help guide us to know what time the fossil was created

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Index fossils are those that are used to define periods of geologic time

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Canonization is essentially a process for the production of a carbonaceous residue by thermal decomposition (with simultaneous removal of distillate) of organic 

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Canonization is essentially a process for the production of a carbonaceous residue by thermal decomposition (with simultaneous removal of distillate) of organic 

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a fossil that is useful for dating and correlating the strata in which it is found.

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Carbonization is a process in which a fuel is heated without air to leave solid porous carbon. Coke is produced commercially by carbonization of coal, either at high or low temperatures. ... Carbonization is a process in which a fuel is heated without air to leave solid porous carbon.

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This is a video about something called law superposition it is a science

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index fossils are fossils that is useful for dating and correlating the strata in which it is found

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DinosaurDays! An animated learning website and ios app for kids. An animated look at your favorite dinosaurs, fossils, paleontology and the study of evolution. See them all on www.dinosaurdays.com or download the app on https://itunes.apple.com/us/app/dinosaurdays-animated-learning/id624264580?mt=8 DinosaurDays is an animated learning app for the iPad, for kids aged 5-11.

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Body Fossils.                            Molecular Fossils.                        Trace Fossils.                             Carbon Fossils.           Pseudofossils.                    

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Body Fossils.                            Molecular Fossils.                        Trace Fossils.                             Carbon Fossils.           Pseudofossils.                    

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The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era. It is based on the Law of Superposition which states that in undisturbed rock sequences the bottom layers are older than the top layers.

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The combined portions of sand, silt, and clay in a soil determine its textural classification.

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The combined portions of sand, silt, and clay in a soil determine its textural classification.

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Trace fossils
Carbon fossils
cast
mold

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Relative dating is the science of determining the relative order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age (i.e. estimated age).

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this is carbonization

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Visualization of biomass carbonization process developed by Carbontim

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Trace Fossils - Denali National Park & Preserve (U.S. National ...

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an index fossil is a fossil that is useful for dating and correlating the strata in which it is found

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The fossil record helps paleontologists, archaeologists, and geologists place important events and species in the appropriate geologic era. It is based on the Law of Superposition which states that in undisturbed rock sequences the bottom layers are older than the top layers.

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science

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Relative dating is the science of determining the relative order of past events (i.e., the age of an object in comparison to another), without necessarily determining their absolute age

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The creation of fossils is where an organism dies and its body gets washed up and beat up by the weather. It then is slowly buried and covered up by sediment and is discovered by paleontologists millions of years later.