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How do biozones help sciencetist determine the age of a rock unit?
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What is a Biozone?
A body of rock defined by fossil content; usually representing a particular interval of time based on that content.
What 2 features of a rock help us determine how the rock was formed?
The crystalline structure and texture.
Which feature of a sedimentary rock if present would most likely to help a scientist determine its age?
A fossil contained in the tock
What are index fossils and how are they used to determine the absolute age of sedimentary rocks?
Index fossils can be used to help determine the relative age of rock layers. Index fossils are from species that only existed for a short time. Index fossils are found in rock layers. Trilobites and Graptolites are index fossils.
What minerals are found in a rock determine?
strata
What is a Biozone?
A body of rock defined by fossil content; usually representing a particular interval of time based on that content.
What 2 features of a rock help us determine how the rock was formed?
The crystalline structure and texture.
What are the fallacies of fossil dating?
One of the biggest fallacies of fossil dating is that they use the rock layer to help determine the age of the fossils, but the fossils are also used to help determine the age of the rock layer.
What characteristics determines the chemical composition of an igneous rock?
An igneous rock is any crystalline or glassy rock that forms from cooling of a magma. Color and texture help determine the chemical composition of the rock.
How do you determine whether a rock is a rhyolite or an andesite?
The composition of the rock will determine whether it is a rhyolite or an andesite.
Which feature of a sedimentary rock if present would most likely to help a scientist determine its age?
A fossil contained in the tock
What are index fossils and how are they used to determine the absolute age of sedimentary rock?
Index fossils can be used to help determine the relative age of rock layers. Index fossils are from species that only existed for a short time. Index fossils are found in rock layers. Trilobites and Graptolites are index fossils.
Are physical and chemical properties of rocks helpful to determine the type of rock?
They are the only way to determine a rock type.
Geologists would used qualitative measurement to?
- to determine the chemical nature of a rock - to determine the age of a rock by comparison
What statements about the rock book is incorrect?
I'm not sure which book you're referring to as the "rock book." Can you provide more context or clarify the title of the book so I can help you determine the incorrect statements about it?
The sizes shapes and positions of the grains of a rock determine the rock's?
Texture.
What is the geologic columnused in relative dating?
1.Geologists use the geologic column to help them interperet rocks sequences. 2.they use to help them identify rock layers in complicated rock sequence.
