Sentences with phrase «pyrite then»

The iron pyrite then preserved the fossil.

Not exact matches

To this can perhaps be added a vague national weariness with certain of the now - waning personalities of the pyrite generation, and of course the naturally cautious, careful nature of Hodgson himself, a man who, if passed a tub and asked to give it a thump, would carefully examine it from all angles, smile wistfully, then pop it in his bag to hold tomorrow's sandwiches.

Hegna said if Martin saw pyrite, also known as fools gold, in the crack, he then used an air abrasion system to go through the layers to get down to the trilobite.

The breakdown of minerals such as pyrite produces sulfate, which then flows down rivers to the oceans.

The wood is sculpted, polished and then topped with raw stones such as hematite, pyrite, vanadinite, uvite and lapis lazuli to striking affect.

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