Results: 1 - 6 of 6
Dec 31, 1997
Open File Report
… intermediate-felsic to felsic igneous rock. A metallic minerals … sedimentary basin; magmatic activity; stratigraphic …
Dec 31, 1965
Earth Sciences Report
… to the west. The last phase of igneous activity is recorded by uncommon …
Jul 14, 2020
… of geological anomalies and some igneous rocks in the basin has … minerals that are the result of igneous emplacement (diamondiferous … periods of kimberlitic diatreme activity. Economic commodities …
Jul 14, 2020
… amount of seismic (earthquake) activity recorded throughout this … some of the rare exposures of igneous intrusions into sediments … 1980. Late Cretaceous-Paleocene igneous activity in north-central …
Jul 14, 2020
… and volcanic and hypabyssal igneous activity (e.g., the Mackenzie Dyke …
Jul 14, 2020
… subjected to intense tectonic activity. The end product of this activity was the Antler Orogeny. … plutonic rocks. Because of the igneous nature of the rim, …