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Examples of Chalk
Infants are said to have their ideas, and why not young ladies?
The sun that shines there on a day of frost wraps you as in a mantle.
How well these agree, both in their positive and negative characters, with the theory of their deep subterranean origin, the student will be able to judge by considering the descriptions already given.
Hence the production at great depths of a class of rocks analogous to the volcanic, and yet differing in many particulars, might have been predicted, even had we no Plutonic formations to account for.
Subsidence of land must preponderate over upheaval.
The tufaceous envelope of the fossils may have fallen into the lake from the air as volcanic dust, or have been washed down into it as mud from the adjoining land.