Science, Volume 23John Michels (Journalist) American Association for the Advancement of Science, 1894 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 73
... Quartzite , unconformable on first and second Iron ore and taconite horizon Taconic . Slates and cherts - Taconic . Black slates - Taconic . Seventh . The gabbro overflow which covers the eastern third of the range , and also appears to ...
... Quartzite , unconformable on first and second Iron ore and taconite horizon Taconic . Slates and cherts - Taconic . Black slates - Taconic . Seventh . The gabbro overflow which covers the eastern third of the range , and also appears to ...
Page 142
... quartzites are not those common in granites , etc. , but those which point to aqueous agencies . Again , though more rarely , we find limestones asso- ciated with the quartzites which have the same pecu- liarities of distribution and ...
... quartzites are not those common in granites , etc. , but those which point to aqueous agencies . Again , though more rarely , we find limestones asso- ciated with the quartzites which have the same pecu- liarities of distribution and ...
Page 144
... Quartzite , " the southern more accurate map shows broad fields of ancient basalts ( diabase ) bordered by a little Cambrian sandstone . The three maps , of New Jersey , of Pennsylvania and of Maryland , should be in the outfit of every ...
... Quartzite , " the southern more accurate map shows broad fields of ancient basalts ( diabase ) bordered by a little Cambrian sandstone . The three maps , of New Jersey , of Pennsylvania and of Maryland , should be in the outfit of every ...
Contents
Meeting of the Iowa Academy of Sciences | 10 |
ROUGHING IT WITH AN ECLIPSE PARTY | 42 |
ESTERBROOKS | 56 |
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