| Show Mud's Important Part PartIn Partin Partin In Earths Earth's Formation Importance of ot mud and ana the part It played 1 In the f earths earth's formation n was va the themo of u a lecture by a noted 1 Wel Welsh elsh h geologist I on Welsh h geology at Cardiff Cardin lIe He affirmed that mud ns one of ot natures nature's most Important Important tant productions productions-a a commodity without without without with with- out which man could not live Changes In tn the earths earth's crust rust had profoundly altered the mu which had been blen formed In past llast periods of ot the earths earth's history One of ot the most Interesting of ot rocks produced by the alteration of ot mud was slate and the slates for tor which M north Wales was BO so famous were wr n a period when that part lIart of ot the earths earth's crust was In a condition of ot violent unrest and some very very an ancient were Intensely squeezed The effect of the squeezing sneezing was to compress the mud and to twist Its It particles round until they all came come cameto cameto cometo to lie in the same relative direction like torn fragments of paper lying flat The result of this and other changes which accompanied It was to make It possible to split the rock Into thin sheets like cardboard I |
