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Earth Sciences 13 Online
OpenStudy (anonymous):

I have an Earth Science question, can anyone help me?

OpenStudy (misssmartiez):

TimaFilms99, I certainly can! What is your question!

OpenStudy (anonymous):

Hi thanks, sorry I just got home.

OpenStudy (misssmartiez):

Its alright, share your question please :)!

OpenStudy (anonymous):

How are intrusive igneous bodies classified? ( Choices ) By their size By their shape By their relationship to the surrounding rocky layers All of the above

OpenStudy (neonumbrella5115):

Do you still need help? @TimaFilms99

OpenStudy (anonymous):

Yes @neonnumberbrella5115

OpenStudy (neonumbrella5115):

"Coarse-grained intrusive igneous rocks that form at depth within the earth are called abyssal while those that form near the surface are called hypabyssal. Intrusive structures are often classified according to whether or not they are parallel to the bedding planes or foliation of the country rock: if the intrusion is parallel the body is concordant, otherwise it is discordant." -- https://en.wikipedia.org/wiki/Intrusive_rock

OpenStudy (anonymous):

So A?

OpenStudy (misssmartiez):

I was right. A, B, C, is all right. The answer is D. http://www.answers.com/Q/How_do_scientists_classify_intrusive_igneous_features http://hyperphysics.phy-astr.gsu.edu/hbase/Geophys/intrus.html How you determine this rock, you figure out the SIZE (Well known method), shape, and the SURROUNDING rocks.

OpenStudy (misssmartiez):

What neonumbrella5115 stated actually supported the answer D. (This reference and supporting details belongs to her, I just break it down.) "Coarse-grained intrusive igneous rocks that form at depth within the earth are called abyssal while those that form near the surface are called hypabyssal." This text is basically screaming the terms 'by the relation of surrounding rock layers.' It says that 'Coarse grained intrusive IGNEOUS rocks form at the depth within THE EARTH'. Then she says the ones that form near the surface is hypabyssal. Don't you see that she is comparing each rocks’ layer/formation relation with each other? Go to the SECOND link I stated within my first comment. 'Intrusive rocks are characterized by large crystal sizes, i.e., their visual appearance shows individual crystals interlocked together to form the rock mass.' You see it states 'size' bluntly in the paragraph. So it goes to tell you size is also correct. Then they define shape in earth science terms, or hints it.

OpenStudy (neonumbrella5115):

@MissSmartiez I will confirm that D is correct.

OpenStudy (misssmartiez):

neonumbrella5115 you helped also, I will medal you for giving to time to help.

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