The Canadian Naturalist and Quarterly Journal of ScienceDawson Bros., 1869 |
Результаты поиска по книге
Результаты 1 – 5 из 82
Стр. 7
... probably in a lagoon or estuary , the conditions of deposition of the clay - ironstones of the coal - measures are per- fectly reproduced . The Peabody Institute at Baltimore is a remarkable monument of the generosity of a man ...
... probably in a lagoon or estuary , the conditions of deposition of the clay - ironstones of the coal - measures are per- fectly reproduced . The Peabody Institute at Baltimore is a remarkable monument of the generosity of a man ...
Стр. 13
... probably representing the Marcellus shale . It contains , moreover , in some parts , beds of from two to five feet of solid gray limestone , holding silicified fossils 1869. ] HUNT - GEOLOGY OF SOUTH - WESTERN ONTARIO . 13.
... probably representing the Marcellus shale . It contains , moreover , in some parts , beds of from two to five feet of solid gray limestone , holding silicified fossils 1869. ] HUNT - GEOLOGY OF SOUTH - WESTERN ONTARIO . 13.
Стр. 15
... probably marking the base of the Hamilton . From a depth of 100 feet in the limestone , at Tilsonburg , a flowing well was obtained , yielding an abundance of water , and a considerable quantity of petroleum . This boring was ...
... probably marking the base of the Hamilton . From a depth of 100 feet in the limestone , at Tilsonburg , a flowing well was obtained , yielding an abundance of water , and a considerable quantity of petroleum . This boring was ...
Стр. 16
... probably belonging to the underlying Guelph formation . We have thus , for the entire thickness of the Salina formation at Goderich , 980 feet , of which the upper 775 are hard strata , chiefly magnesian limestones , and 205 feet ...
... probably belonging to the underlying Guelph formation . We have thus , for the entire thickness of the Salina formation at Goderich , 980 feet , of which the upper 775 are hard strata , chiefly magnesian limestones , and 205 feet ...
Стр. 20
... probably a larger class now exists who desire assistance in the choice of a Micros- cope than could be found 20 years ago , when the variety of choice was less embarrassing . Since that period , -when the Exhibition of 1851 proved the ...
... probably a larger class now exists who desire assistance in the choice of a Micros- cope than could be found 20 years ago , when the variety of choice was less embarrassing . Since that period , -when the Exhibition of 1851 proved the ...
Другие издания - Просмотреть все
Часто встречающиеся слова и выражения
abundant Acadia acid ambulacral furrows America animals aperture appears Arctic arms Aspidium Bay of Fundy beds birds boulder clay Canada Canadensis Canadian carbonate Carboniferous central character coast collection colour common Crinoids crust Crustacean Cystidea deposits depth described Devonian dredge Echinodermata Echinoderms Entomostraca Estheria existence fathoms feet fish flora formation fossil Gaspé genera genus geological geologists Gulf Gulf of St hydrospires inches indigenous insects Island known Lake Superior larvæ Lawrence limestone Linn lower Macoun matter microscopic Mollusc Montreal Mount Uniacke mountain mouth natural naturalists nearly North northern observed occur Ontario organs paleozoic paper period plants plates Platyceras Polystichum pores portion present Principal Dawson probably Prof Province Quebec recent remarkable River rocks sandstones seen shell shore side silica Silurian species specimens spinulosum strata supposed surface temperature thickness tion vault vegetation volcanic