Post on 26-Jun-2015
description
WeatheringWeathering
What type of weathering?What type of weathering?
The Wind -- Mechanical The Wind -- Mechanical Weathering in Action!Weathering in Action!
And this?And this?
Biological WeatheringBiological Weathering
What type of weathering are What type of weathering are these people stood on?these people stood on?
Frost Shattering - PhysicalFrost Shattering - Physical
A Little Trickier?A Little Trickier?
HydrolysisHydrolysis
Nice ViewNice View
SheetingSheeting
This is hardThis is hard
Spheroidal Weathering.Spheroidal Weathering.
And Finally?And Finally?
Salt WeatheringSalt Weathering
Physical WeatheringPhysical Weathering
AbrasionAbrasion CrystallizationCrystallization Wetting and DryingWetting and Drying Pressure ReleasePressure Release Insolation Or thermal weatheringInsolation Or thermal weathering
Chemical WeatheringChemical Weathering
CarbonationCarbonation HydrolysisHydrolysis HydrationHydration OxidationOxidation
BiologicalBiological
Breakdown of rocks with the Breakdown of rocks with the chemical or physical actions of a chemical or physical actions of a living organismliving organism
ChelationChelation Organisms influence moisture Organisms influence moisture
regimesregimes Organisms influence soil Ph values.Organisms influence soil Ph values.
Peltier Weathering GraphPeltier Weathering Graph
Louis PeltierLouis Peltier
American physicist and climatologistAmerican physicist and climatologist 1950 study 1950 study “The Geographic Cycle in
Periglacial Regions as it is Related to Climatic Geomorphology”
His graph attempts to predict the type His graph attempts to predict the type and rate of weathering at any given and rate of weathering at any given place on Earthplace on Earth
Doing so from its mean annual Doing so from its mean annual temperature and mean annual rainfall.temperature and mean annual rainfall.
QuestionsQuestions
Waugh Page 38 Waugh Page 38 Attempt activities 1 – 5.Attempt activities 1 – 5.