GEOL 2530 Lecture Notes - Lecture 4: Sinuosity, Meander, Mass Wasting

• School: University of Manitoba
• Department: Geological Sciences
• Course: GEOL 2530
• Professor: Chow Nancy

Document Summary

Accessory minerals chemical weathering transport & deposition: quartz - 50-60% of framework of avg. 3: accessory minerals - < 1-2% (a) micas - muscovite, biotite (b) carbonates, glauconite (c) heavy minerals - s. g. > ~2. 9. Hydraulic equivalence & sorting small heavy minerals + large quartz laminae or beds: rock (lithic) fragments - 15-20% Index -- e. g. quartz + chert feldspars + rf poly. quartz mono. quartz. Major element chemistry tectonic setting trace elements provenance studies. Subduction sedimentary metamorphic ultramafic, basalt metamorphic chert, ls. Triangular plots - only models to be used as guide. < 1 % by weight of total sedimentary rocks. Framework - mainly rf rounded to subrounded breccia - angular. Genetic types: epiclastic - weathering & erosion, extraformational, intraformational. Oblate, bladed flat-pebble conglomerate: volcanic breccia. Collapse: solution breccias solution insoluble gravel-size residue, meteorite impact breccias. **clay minerals, silt-size q and f muscovite, skeletal fragments diagenetic carbonates sulphides. Fissility - tendancy to split along planes parallel to bedding.