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What are two ways that a rock layer can cause a gap in geologic record?
Wiki User
∙ 11y ago
When rock layers are eroded or when a sediment is not deposited for a long period of time.
Wiki User
∙ 11y ago
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What is the name for the bottom oldest layer of rock?
The bottom layer of rock in a geologic sequence is usually called the basement layer.
A break in the rock record deposition of sediment has been interrupted is referred to as a?
A gap in the geologic record of rock formations is called an uncomformity.
When a layer or several layers are missing from a rock-layer what is this called?
Unconformity= break in sedimentary rock record
What geologic process change granite igneous rock into gneiss metamorphic rock?
Heat and pressure cause granite to change to gneiss.
The series of changes that describes how geologic forces cause rock to change from one type to another is known as?
the rock cycle
What is the name for the bottom oldest layer of rock?
The bottom layer of rock in a geologic sequence is usually called the basement layer.
How do you use the word geologic record in a sentence?
More often used is the term geochronology: dating the formation of rocks in geology.The geochrony of a rock can reveal when a layer of rock was formed.Geologic folding can sometimes confuse the geochrony of a rock formation.
A break in the rock record deposition of sediment has been interrupted is referred to as a?
A gap in the geologic record of rock formations is called an uncomformity.
What are geologic rock layers also known as?
Strata One stratum is a sinsle layer. Many layer are called strata.
Which layer of rock would be expected to have had living animals and plants most like those of today?
The top layer. The top layer of any sedimentary rock is most likely the newest in geologic time.
Which layer of rock would be expected to have had living animals And plants most likely those of today?
The top layer. The top layer of any sedimentary rock is most likely the newest in geologic time.
What is an unconfomity?
a gap in the geologic record that shows where rock layers have been lost do to erosion
When a layer or several layers are missing from a rock-layer what is this called?
Unconformity= break in sedimentary rock record
What geologic law is applied if an igneous intrusion is observed through a layer of sedimentary rock?
law of crosscutting relationships.
Shifts in the rock layer locations cannot account for gaps in the rock record?
[True]
Can shifts in the rock layer locations cannot account for gaps in the rock record?
[True]
The earliest record of mammals comes from what rock layer?
Jurassic
