GEOTECH LESSON 1-2 Flashcards
They were formed y movement of soils from its original place by gravity
Colluvial Soils
They were formed by deposition in the seas.
Marine Soils
They are formed from sediments, animals, and plant materials that are deposited in water or on land on the earth’s surface and then subjected to pressures and heat.
Sedimentary Rocks
They are formed from magma emitted from volcanoes that have cooled and solidified.
Igneous Rocks
They are ground fracture
Faults
It is the horizontal separation of a layer or bedding plane.
Strike
It is the calcium sulphate formed under heat and pressure from sediments in ocean brine.
Gypsum
It is the mixture of sand,, silt, and clay that may contain organic material
Loam
It is a wind blown, uniform fine-grained soil.
Loess
They are clays that undergo large volume changes from cycles of wetting and drying.
Expansive Soils
They were formed by deposition of quite lakes.
Lacustrine Soils
It is clay and silt mixed with water into a viscous fluid.
Mud
Based in the Earth’s profile, what are the layers of the earth?
Crust
Mantle
Core
The oldest and most complex engineering material
Soil
Western civilizations credit the ___ for recognizing the importance of soils in the stability of structures.
Romans