Ragnarok : the age of fire and gravel

WHAT IS A COMET? &1

VI. No such clays are now being formed under glaciers or Arctic ice-sheets.

VII. These clays were ground out of the substance of the comet by the endless changes of position of the material of which it is composed as it flew through space, during its incalculable journeys in the long reaches of time.

VII. The earth-supplies of gravel are inadequate to account for the gravel of the drift-deposits.

IX. Neither sea-beach nor rivers produce stones like those found in the Drift. —

I pass now to the next question.