Show:
Rock
Soil
Extraction
100
Granite
What is igneous rock?
100
Made up of divided rock and minerals
What is sand?
100
Can be loosened up directly with construction machines.
What are soils?
200
Limestone
What is Sedimentary rock ?
200
derived from rock, intermediate in size
What is silt?
200
Usually done by track type tractors
What is Ripping ?
300
Schist
What is metamorphic rock ?
300
Plasticity when mixed with water.
What is clay?
300
used to remove rock with dynamite and explosives.
What is blasting?