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intruded country rock with different igneous compositions. These compositions ranged from alkaline to mafic to rhyolitic based on their interactions as they made their way to the surface with country rock. Mafic magma interacts well with host rock while rhyolitic magma does not due to its high viscosity.…

Gissella Fajardo Treasure of the Earth: Gems Nova The title of the documentary that we watched today was “Treasure of the Earth: Gems Nova”. The intended audience is anyone that is interested on learning about gems like rubies, diamonds and sapphires.The purpose of the documentary is to inform the audience about gemstones. I didn’t know specific information about gemstones. During the documentary I learned that near the Earth's surface many gemstones are formed when…

CMRJ341 Professor Jennifer Bourgeois October 18, 2015 Impact radial fracture lines ends shortly after the earlier impacts. In this case, bullet (C) was the first shot followed by (B) And lastly (A). In order to figure out the order of bullets is figuring out the radial fractures is looking at the initial fracture. Bullet fractures are round and has the same shape as a wheel. Fractures Also connects in the shape of a spider web. Then you have to figure out which side the fragment is facing in…

weather in the United States, which it can attribute to its geology. San Diego is also well known for consistent droughts; however, its current unique geography is a result of ancient rivers and seas depositing Cretaceous and Tertiary sedimentary rocks. As a result of these ancient rivers, “San Diego County can be divided between three distinct geomorphic regions: the Coastal Plain region as exposed west of the Peninsular Ranges, the Peninsular Range region, and the Salton Trough region as…

In 1965, the serpentine rock became California’s state rock; they are abundant in central and northern California. The serpentine rock is a metamorphic rock that forms by the hydration of rocks from the Earth’s mantle; these types of rocks will rise towards the Earth’s surface along fault zones. It can be found in various colors from dark green and brown, to blue with a glossy surface. However, these rocks tend to be slippery and creates a high risk for land slides. Through a series of…

meter stick, rock hammer, flashlight, bottle of acid, and helmet, we set off to the mine. Located roughly 100 feet below the surface near Grand Rapids, the mine is now a storage facility owned by Michigan Natural Storage. In the mine, we measured the various rock columns to find how large the different sections of gypsum, shale and dolomite were. In addition to measuring the rock types, we took samples using the hammer. After the trip in lab the next week, we looked at the different rock types…

About 60% of the territory is mountainous, apart from the coasts. Puerto Rico offers Varity of amazing rain forest, deserts, beaches, caves, oceans and rivers. Puerto Rico has three major Geographic regions: Mountainous interior, coastal lowlands, and the karst area. Mountainous interior is formed by a chain of central mountains generally known as Cordillera Central, The largest mountains are Cerro La Punta (1,338 m) in Jayuya; Rosas (1,267 m) found between Jayuya and Ciales, Guilarte (1,205 m)…

plates and sediment accumulation under the Earth’s surface. The Appalachian Mountains reveal subsidence belts, faulted marine sedimentary rocks and other geologic rocks in these tectonic settings. The Basin exists in the northeastern states of North America. This large rock formation exhibits collisional tectonics with modern time development of shales. This mature rock formation has the ability to contain an abundant amount of oil and gas. This environment has been a crucial aspect for energy…

Onyx: The Practical and Metaphysical Story Onyx is a specific variety of the mineral known as chalcedony. It is a banded mineral, which means that the layering of the rock that formed it has caused “bands” of different colors to appear. Many people mistake onyx for a type of agate, which is another type of chalcedony, but where agate has curved bands onyx has parallel bands instead. Onyx is found in nearly every color, though bands of black and white are the most common. When onyx is banded…

that will work to find the age for that fossil. As well as the many terms that goes in the processes for dating fossils. Relative dating does not give an actual date for the fossils. Relative dating is used to organize geological events, and the rocks they leave behind in a sequence. A geological event is basically a severe natural event that happens in the crust of earth that is normally harmful like an earthquake or a volcano . The method of reading the order is called stratigraphy…