Mechanical Weathering = no change in rock composition Big...

12
1 Mechanical Weathering = no change in rock composition Big Rocks > Little rocks > Sediment> Soil Caves Boiling Springs pg 258 pg 260 Limestone Root Wedging pg 259 c. lys

Transcript of Mechanical Weathering = no change in rock composition Big...

Page 1: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

1

Mechanical Weathering = no change in rock compositionBig Rocks ­­­­­­­­> Little rocks ­­­­­­> Sediment­­­­­­­­> Soil

Caves ­ Boiling Springs

pg 258

pg 260

Limestone

Root Wedging     pg 259

c.

lys

Page 2: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

2

Exfoliation

Page 3: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

3

PrecipitationTemperature

Igneous rocks ­ weather more easily

Calcium ­  Silica ­ Oxides ­ cement sedimentstogether

Chemical reactions work best in warm, wet climes

A

B

Mt ­  Seashore ­ River bed ­ Field ­ Volcano

TextureSand 1∕16 mm to 2 mmSilt 1∕256 mm to 1∕16 mmClay smaller than 1∕256 mm

Page 4: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

4

Page 5: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

5

Top Soil

Minerals

Humus

Transported = brought in from some other locationResidual = formed from Bedrock

Regolith

Darker soil = more organic

CLAY

Page 6: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

6

A

Point A:Sand =  65%Silt =    20%Clay=   15%

C E

D

B

Page 7: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

7

Steep Land = thin soil

Biomes

Plants reduce soil erosion

Deposition = builds up the land

What moves?How fast it movesHow it moves

Fall   Slides   Flows

Free falling

Slips slides downhill Liquid

Weathering   ­­­> Erosion ­­­­­ Deposition

SnowEarthMudRock

Fast or Slow

Page 8: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

8

Slump

Angle of Repose = stable angle of a slope

Creep

Fast / Rapid

Page 9: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

9

Volcanoes =Lahar

Most Common

Tundra / Arctic

Rock

Gravity causes motion but it selfis not in motion

Page 10: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

10

Page 11: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

11

Page 12: Mechanical Weathering = no change in rock composition Big …smsdhs.ss13.sharpschool.com/UserFiles/Servers/Server... · in the rock increase the amount of surface area exposed to

12

Question 43:

Question 45

Question 44

Question 42: