Types of rocks and how they are formed
small rocks
sedimentary
Why do we care about rocks?
for the development and expanding land
how did rocks get their name?
from Greeks and Latinos
rocks are pulled apart
tensional
molten/melted rock inside the earth
magma
forms when it is hot
igneous rock
what do geotechnical engineers know?
they know how to identify different types of rocks and determine if a certain rock is about to break
how long do rocks live for?
some can be over 3 million years old
what are physical actions such as wind, or water freezing, and cracking water
physical weathering
processes that break down rock
weathering
starts out as another type of rock but changes
metamorphic rock
Why do engineers test rocks?
Why do engineers test rocks?they know safe places to build
what are rocks made of?
rocks are made of minerals
rocks are pushed into themselves
comprehension stress
pressing things together
compaction
rocks are loosened by weathering and then broken into small pieces
how sedimentary rocks are formed?
What would happen if a large rock broke?
Earthquakes, tsunamis, volcanoes, rock falls, and landslides
where do space rocks land?
what causes weathering
water, ice, and changes in temperature
moving small rocks from place to place
erosion
how metamorphic rock is formed
what are physical properties of engineering rock
hardness, color, density, and thermal properties
What is the strongest rock?
diabase
rocks are going in opposite ways
shear stress
naturally gluing rocks together
cementation