Where did metamorphic rock get its name?
Regional SpecificsThe word metamorphism is taken from the Greek for “change of form”; metamorphic rocks are derived from igneous or sedimentary rocks that have altered their form (recrystallized) as a result of changes in their physical environment. What is igneous rock and example? Examples of intrusive igneous rocks are: diabase, diorite, gabbro, granite, pegmatite, and peridotite.
How does a fault cause an earthquake?
Regional SpecificsEarthquakes are the result of sudden movement along faults within the Earth. The movement releases stored-up ‘elastic strain’ energy in the form of seismic waves, which propagate through the Earth and cause the ground surface to shake. How does a fault make an earthquake? Most faults in the Earth’s crust don’t move for a long
What are the characteristics of a divergent plate boundary?
Regional SpecificsWhen two plates are moving away from each other, we call this a divergent plate boundary. Along these boundaries, magma rises from deep within the Earth and erupts to form new crust on the lithosphere. Most divergent plate boundaries are underwater and form submarine mountain ranges called oceanic spreading ridges. What are the characteristics of
What is fracture closure pressure?
Regional SpecificsFracture closure pressure is the minimum fluid pressure required to initiate the opening of a fracture. What is closure stress? The Fracture Closure Stress (FCS) concept describes the mechanism by which a fracture in a wellbore initiates and propagates. The FCS concept describes that a wellbore has stress holding the wellbore closed. What is fracture
What is halite composed of?
Regional SpecificsDescription. A mineral composed of Sodium chloride that naturally occurs as colorless, cubic crystals. Halite is found in dry lakebeds, in underground salt deposits and near the ocean. What is the composition of halite? Halite is a common evaporite mineral, NaCl, used as table salt worldwide. It is arguably the most well-known mineral in the
Can I use lava rocks in a wood burning fire pit?
Regional SpecificsIf burning wood, place a layer of lava rock at least 4-5 inches deep. Then place your firewood on the lava rock. For gas fires, fill the fire pit with enough lava rock to at least cover the fire ring. Do not use rock or gravel of any kind in place of lava rock; it