What kind of sedimentary rock is dolostone?
Regional SpecificsThe principal mineral of limestone is calcite (CaCO3), a form of calcium carbonate. Dolostone is quite similar to limestone, but is composed mostly of the mineral dolomite (CaMg(CO3)2). Both are sedimentary rocks that occur as thin to massive beds of fine- to coarse-grained rock. What type of sedimentary rock is dolostone? Dolostone is a fine-grained
When did Fernando Vargas retire?
Regional Specifics20072007 with a record of 26-5 (22 knockouts). Vargas, now 40, lives in Las Vegas and is married with four children. How old was Fernando Vargas when retired? Starting in 1997 at the age of 20 until he retired in 2007 at age 30. Vargas was going to fight his professional debut in 1996 but
Where does green granite come from?
Regional SpecificsGreen Granite Quite a few granite quarries in Canada and Brazil feature abundant green rock formations. When blocks are cut from these geologic structures, the veining can be surprising. Verde Tortuga granite looks like the shell of a sea turtle. It is very pretty and durable due to its high quartz mineral content. What granite
Why does flowing water deposit the largest particles first?
Regional SpecificsFlowing water slows down when it reaches flatter land or flows into a body of still water. What do you think happens then? The water starts dropping the particles it was carrying. As the water slows, it drops the largest particles first. Why is the largest sediment deposited first? Larger, heavier particles like pebbles and
Can you touch Cinnabar?
Regional SpecificsIf you touch cinnabar – it’s safe. If you touch it 564 times – it’s safe. If you sleep with it for 5 months – it may be slightly dangerous. What happens if you touch cinnabar? Because of its mercury content, cinnabar can be toxic to human beings. Overexposure to mercury, mercurialism, was seen as
What do rock layers tell us about the environment?
Regional SpecificsSedimentary rocks tell us about past environments at Earth’s surface. Because of this, they are the primary story-tellers of past climate, life, and major events at Earth’s surface. Each type of environment has particular processes that occur in it that cause a particular type of sediment to be deposited there. How can a rock tell