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The rock around a Phacops fossil is probably 405 and 365 million years old.
Wiki User
∙ 13y ago
Wiki User
∙ 13y agoabout 20 million years
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How can index fossils be used to date rock?
Because if you know how old the fossil is, and you find the fossil inside a rock, you know that rock has a maxium age corresponding with the age of the fossil.
What layer is an old fossil found?
fossils are formed in Sedimentary rock
What can geologist learn from fossils?
Where the fossil was from,what the fossil was,and how old the fossil is.
How old is the sedimentary rock shale?
Well, sedimentary rock shale has been around for ages.So it would probably be around 150 -200 years old.
Where is a fossil located?
Fossils are located all over the Earth in sedimentary rock. Good places to look are cliffs, outcrops, streambeds and around quarries. The types of fossils you can find will vary by where you are and how old the rock is. fossils are usually located near oceans,rivers,,and near watery areas.
How old is a tropite fossil?
The rock surrounding it is 68 to 230 million years ago. If you found a phacops fossils the rock surrounding it is 400 million years old.
What does relative dating provides?
It provides how old a rock/fossil is compares to the rocks/fossils around them.
How can index fossils be used to date rock?
Because if you know how old the fossil is, and you find the fossil inside a rock, you know that rock has a maxium age corresponding with the age of the fossil.
If the remains of a plant between a rock layer contains 400 million year old phacops fossils and a rock layer contains 230 million year tropites how old is the plant?
You may have to add. Although you need to put a specific label. Do the work :D
How old must a rock be to contain a fossil?
1000 years
Is a fossil in a 2 million year old rock 2 million years old?
no
What layer is an old fossil found?
fossils are formed in Sedimentary rock
How do you tell how old a fossil is by the rock layer?
by relative dating or radiometric dating
What fossil can you use to get aerodactly?
You use an Old Amber. You smash a rock in the Ruins of Alph by using Rock Smash and under one of them there will be an old amber.
How archaeologists finds the fossils?
you look at it and then see if there is rock around it and then it is a fossil!!!!you look at it and then see if there is rock around it and then it is a fossil!!!!
Can scientisits find out how old a mountain is without finding a fossil?
== NO a fossil must be found but scientists can probably guess about how old the mountain is by looking at it and fing== ding out the types of rock that it has. ===
Where do you take the old amber in Pokemon leaf green?
the fossil guy in the southern sea in the lab. the fossil turs in to a rock and flying type.
