Aspects of Palynology |
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Page 112
... stratigraphic ranges , the stratigraphic value of the various bio- logic groups that occur in the several systems differs greatly . A group that produced short- ranging genera or species in one system may produce only long - ranging ...
... stratigraphic ranges , the stratigraphic value of the various bio- logic groups that occur in the several systems differs greatly . A group that produced short- ranging genera or species in one system may produce only long - ranging ...
Page 165
... stratigraphic , biostrati- graphic , and time stratigraphic nomenclature has a history that is too long and involved to be dis- cussed here . Almost any given area has its own history of stratigraphic study , which has resulted in ...
... stratigraphic , biostrati- graphic , and time stratigraphic nomenclature has a history that is too long and involved to be dis- cussed here . Almost any given area has its own history of stratigraphic study , which has resulted in ...
Page 193
... stratigraphic and eco- logic value of spores , especially to the non- specialist . In spite of this , many interesting facts are available on the stratigraphic and geographic distribution of Devonian spore types ; a broad picture of ...
... stratigraphic and eco- logic value of spores , especially to the non- specialist . In spite of this , many interesting facts are available on the stratigraphic and geographic distribution of Devonian spore types ; a broad picture of ...
Contents
INTRODUCTION | 1 |
WALL STRUCTURE | 35 |
SYSTEMATICS AND NOMENCLATURE | 49 |
Copyright | |
15 other sections not shown
Common terms and phrases
abundant acritarchs affinities algae angiosperm aperture archeopyle areas assemblages Barghoorn Bentall bisaccate Cambrian Carboniferous Cenozoic classification climate coal conifer correlation Couper cysts deposits Dettmann Devonian dinoflagellates distal Downie early Eisenack Eocene equatorial Erdtman evidence exine ferns Figure Formation forms fossil Frasnian genera genus Geol geologic groups Ibrahim Jour Jurassic Kremp late Lower lycopods marine megafossils megaspores Mesozoic microfossils microns microspores Middle Miocene miospores Mississippian modern monolete morphologic Naumova nomenclature occur Oligocene organic Paleocene Paleozoic palynological palynomorphs Pennsylvanian Permian Pflug plant microfossils plates Playford Pleistocene Pliocene pollen and spores pollen floras pollen grains PotoniƩ and Kremp Precambrian proximal proximo-distal view Quaternary range record reported represented rocks samples Schopf sediments shales Silurian similar specimens spores spores and pollen sporites Staplin strata stratigraphic structure studies surface Tasmanites taxa taxonomic Tertiary tetrad theca thickening tion Triassic trilete spores type species Upper Cretaceous wall Wilson zone