2 The movement of plates results distinguish between mountain in mountain building formed at divergent and convergent plate boundaries in terms of general rock types and structures, including folding and faulting gather, process and present information from secondary sources which compares formation, general rock type and structure of mountain belts formed as a result of thermal uplift and rifting with those resulting from different types of plate convergence Mountain building Process of formation Example Rock types Structures of mountains Thermal uplift Blue mountains Any rock Folds, faults of all type/depends on types ocean/continent. No one answer Rifting Great dividing range, Basaltic, igneous Plateau, rift valley rocks escarpments in the rift valley Oceanic oceanic Hariana trench Regional and contact Island arcs and chain – convergence metamorphic rocks. Andesite magmas Oceanic south America Regional and contact Intensely folded – continental metamorphic rocks. mountain ranges convergence Granite intrusions Continental Himalayas Regional Intensely folded – continental metamorphic rocks mountain ranges convergence - Compression forces can produce folds and faults - Rocks which bend or fold produce arches called anticlines and downfolds called synclines
2 The movement of plates results in mountain building distinguish between mountain formed at divergent and convergent plate boundaries in terms of general rock types and structures, including folding and faulting gather, process and present information from secondary sources which compares formation, general rock type and structure of mountain belts formed as a result of thermal uplift and rifting with those resulting from different types of plate convergence Mountain building Process of formation Example Rock types Structures of mountains Thermal uplift Blue mountains Any rock type/depends on ocean/continent. No one answer Folds, faults of all types Rifting Great dividing range, rift valley Basaltic, igneous rocks Plateau, escarpments in the rift valley Oceanic – oceanic convergence Hariana trench Regional and contact metamorphic rocks. Andesite magmas Island arcs and chain Oceanic – continental convergence south America Regional and contact metamorphic rocks. Granite intrusions Intensely folded mountain ranges Continental – continental convergence Himalayas Regional metamorphic rocks Intensely folded mountain ranges - Compression forces can produce folds and faults - Rocks which bend or fold produce arches called anticlines and downfolds called synclines
Earth__Enviromental_Science_Notes_-_Tectonic_Impacts_3.docx