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Title: The nucleus of old crystalline rock in each of the principal continental masses is called a Post by: naturelle on Mar 29, 2017 The nucleus of old crystalline rock in each of the principal continental masses is called a
A) basalt mass. B) continental shield, or craton. C) mountain mass. D) composite zone. Title: Re: The nucleus of old crystalline rock in each of the principal continental masses is called a Post by: twentytoo on Mar 29, 2017 Content hidden
Title: Re: The nucleus of old crystalline rock in each of the principal continental masses is called a Post by: naturelle on May 18, 2017 Appreciate the expertise, you've made this semester lighter on the shoulders :-*
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