The American Journal of Science and ArtsS. Converse, 1888 - Geology |
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Results 1-5 of 17
Page 123
... Emmons in North Carolina . Taking all these Rhetic localities together we find that four- teen Potomac species have important characters in common with Rhetic plants , although none of them are specifically identical . Lias . - The ...
... Emmons in North Carolina . Taking all these Rhetic localities together we find that four- teen Potomac species have important characters in common with Rhetic plants , although none of them are specifically identical . Lias . - The ...
Page 349
... Emmons . An imperfectly preserved fragment from the middle of a frond is all we have of a plant that if not identical with must have been very closely allied to that described by Emmons ( Amer . Geol . , Part VI , p . 116 , fig . 83 ) ...
... Emmons . An imperfectly preserved fragment from the middle of a frond is all we have of a plant that if not identical with must have been very closely allied to that described by Emmons ( Amer . Geol . , Part VI , p . 116 , fig . 83 ) ...
Page 410
... Emmons states its fundamental and distinctive 1818 to 1828. - The name Taconic first came into 410 J. D. Dana — Brief history of Taconic ideas . -A brief history of Taconic ideas; by J D DANA -A brief history of Taconic ideas; by J D DANA.
... Emmons states its fundamental and distinctive 1818 to 1828. - The name Taconic first came into 410 J. D. Dana — Brief history of Taconic ideas . -A brief history of Taconic ideas; by J D DANA -A brief history of Taconic ideas; by J D DANA.
Page 411
... Emmons , whose depart- ment in the New York Geological Survey covered the north- ern and northeastern part of the State , and who was already acquainted with the adjoining region of Williamstown in Mas- sachusetts , continued his survey ...
... Emmons , whose depart- ment in the New York Geological Survey covered the north- ern and northeastern part of the State , and who was already acquainted with the adjoining region of Williamstown in Mas- sachusetts , continued his survey ...
Page 412
... Emmons , although pretty well stored with Taconic facts . In opposition to the ideas of the Taconic system of 1842 , the quartzyte is spoken of as the " Potsdam sandstone " in a meta- morphic state , and the associated granular ...
... Emmons , although pretty well stored with Taconic facts . In opposition to the ideas of the Taconic system of 1842 , the quartzyte is spoken of as the " Potsdam sandstone " in a meta- morphic state , and the associated granular ...
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absorption Acad acid action albite alloys American amount analysis angle appears atoms augite biotite bolometer Botanical Notices Botany carbon cent character chemical Coan color cone crater crinoids crystals curve cycads deposits described determined diameter effect electrical Emmons eruption experiments fact fauna feet feldspar figure fissures Flora Flora Brasiliensis formation fossils Genera genus Geological gneiss heat Hilo Hooker hornblende hydrochloric acid iron Journ Journal Kilauea lava less light limestone magnetite mass measured metal mica miles mineral molecules mountain nearly North observed obtained occur paper pinnules plants plates platinum present prism Proc Prof Professor Puget quartz ratio region Report rocks schist sillimanite Silurian slates slit soil solar solution species specific rotation specimens spectrum staurolite steel stream summit surface Survey Taconic temperature thickness tion vapors viscous wave-lengths xenotime zircon