Intrusive sheets can be distinguishable from lavas.Logical formLearned from1 sentences. Intrusive rocks may undergo a classification.Logical formLearned from1 sentences. A basis can be for a classification of intrusive rocks.Logical formLearned from1 sentences. Intrusive rocks may predominate over schists.Logical formLearned from1 sentences. Intrusive rocks can be constituted-of-or-filled-with origin.Logical formLearned from1 sentences. Intrusive sheets of crags may belong to a (general period).Logical formLearned from1 sentences. Intrusive igneous rocks may form features.Logical formLearned from1 sentences. Intrusive igneous rocks can be divisible.Logical formLearned from1 sentences. A b can be intrusive.Logical formLearned from1 sentences. Materials can be intrusive.Logical formLearned from1 sentences. Arches can be intrusive.Logical formLearned from1 sentences. Basalts can be intrusive.Logical formLearned from1 sentences. Coal-seams may be rendered useless by intrusive sheets of dolerite.Logical formLearned from1 sentences. Intrusive sheets can be constituted-of-or-filled-with dolerite.Logical formLearned from1 sentences. Intrusive igneous rocks can be constituted-of-or-filled-with age.Logical formLearned from1 sentences.