Embodimentary Rock: Unconformity

With our observation of the Shawangunk formation, we see a sedimentary rock formation containing a range of grain size. Such sizes range from pebbles (3cm-5cm), fine-grain sand, and medium-grain sand. There is some grading towards the bottom left of the outcrop known as a reverse grading with some small cross beds present (Figure 2). The grading occurs towards a slight part of the outcrop where we see the grading beginning as fine grain sediments and working up to coarser grain. With moderate sorting we see variations of degree of sorting per bed. As the degree of sorting varies as does the sphericity. The sediment bedding is well seen ranging in sizes of +/--20 cm to 40 cm. This outcrop has thick beds as one can see the basic units with cracks in between each (Figure 3). With mostly tabular beds consisting of sub-angular, and sub-rounded sediments, this outcrop also consists of some ventricular beds (Figure 4). When looking at figure 4, we have a small space of a ventricular bed present. This is because the bed comes in, pinches thicker bedding,

Next, these rocks undergo erosion, which is the process of moving sediments from one place to another. Then, these sediments are deposited all at one place and over time they start to converge and cement as layers which are also known as strata. As time keeps going, new sediments deposit and cement together over old ones forming new layers. This is a repetitive process that eventually build up layers to make up a Sedimentary rock. Approximately 40 major sedimentary rock layers exposed in the Grand Canyon National Park area range in age from about 200 million to nearly 2 billion years old. As you can see, sedimentary rock formation takes an excessive amount of time.

There are three distinct types of plate boundaries existing, which are supported by geological observation, geophysical data, and theoretical considerations. Their names and categories are based on if adjacent plates move apart from each other (divergent plate margins), toward one another (convergent plate margins), or slip past one another in a direction parallel to their common boundary (transform plate margins) (Pitman, W.C., 2007).

Many people have “pet rocks,” however a rock is not alive. It is easy to care for, since it does nothing, requires no food, attention, or really anything. The pet rock was marketed as a sense of humor in a box in 1975. “No messes, no allergies, just pure simple solidarity.” A rock in a box, on a bed of hay (Good, 2015). A chia pet is similar to a pet rock, since it requires little attention, but it is a plant, a living organism.

For example, The appalachian Mountains were formed by a massive continental collision over 300 million years ago. According to page 88 in my science notebook, the rocks in the Chattooga River is evidence of the continental collision. Mountains are formed when two continental plates collide, and form the mountains. The Appalachian mountains, were formed during Pangea. The North American Plate and the African Plate collided. When this happened the Appalachian Mountains were formed. These mountains then grew bigger, but as soon as it started growing, it also eroded. Erosion and

Structural Geology – When large bodies of rocks are formed these did not happen in one day. They have history within that can be studied. Structural Geology discovers this history to be able to tell what happened before, what kind of tectonic plate occurred. Structural Geology supports other Geology areas such as Petrology to discover natural gas or petroleum to say the least.

Determine the relative age each of the geologic structures shown in the geologic cross section below (Figure 9.17) from youngest to oldest; then answer the questions below. As before, a wiggly line running across the geologic cross section indicates an unconformity and a fault is indicated with a bold straight line.

One of the major things noticeable from the cross section is that quite a few of the rock layers are over turned, where the older rock layers are above the newer rock layers. This is seen in the contact between the Quartz Monzonite of Papoose Flat and the Campito Formation which is also a disconformity. Next there is some fault zones separating the Camptio, Poleta, and Harkless formations. We then see some more overturned layers with the contacts between Saline Spring Valley Formation (lower and upper members) above the Mule Spring Formation along with some inferred folding. With a normal fault separating the inferred folding event, we see where the overturning occurs. In between the Cambrian layers we see Tertiary Basalt nonconformities also being folded, thus with that we know that the folding event was more recent than the formation of the Basalt. Next there is a large Basalt field with a spot of the Harkless formation. Again we see over tuning as the Basalt field ends there are the Devonian and Mississippian rock Layers on top of the basalt. Separating these overturned layers from the Harkless Formation and the Saline valley Formation (upper member), which are not overturned, is a thrust fault. From this information, there was a major stress event sometime after the Tertiary period causing the rock layers to fold and overturn. And from this stress event and from the folding, normal and thrust faults are formed. Finally we see that there were alluvial and landslide deposits from the Quaternary after the folding, faulting, and over

If you’re anything like me and you see this painting of “The Rock” by Peter Blume (1944), you may wonder what in the world is going on in the picture. At our first look, we see the obvious; the enormous rock Peter Blume placed right in the center. After looking at the scenery going on, I think that the placement and size of the rock is proportioned that way as a sign of it being significant. The way I see it, the monument plays an important role when it comes down to determining why there are so many things going on at once in the painting. With the comparison of the details of the hard working people to the broken rock, half built building, and the smoke, I will establish the reasons of why this picture shows both destruction and loyalty- and the ways destruction in this painting also results in uniting the people working.

If you love something, should you let it go? Or should you hold onto it, even through bruised and bloodied knuckles? Do you even have a reason to be hanging on? Is it because you truly believe you love something? Or is it because you love the idea of never letting go?

As one of the most popular music genres, rock music has grown and expanded to incorporate many styles throughout the years. A rock band usually consists of a vocalist, an acoustic drum kit played with a strong beat, usually a back beat, and features electric and acoustic guitars. From its beginnings in the late 1950s and early 1960s until the present day, rock has changed styles seemingly every decade as new bands become popular because of their unique style of music. Throughout the years rock has influenced our culture and helped shape the world we live in today.

The fourth unconformity is known as paraconformity. This unconformity can be quite controversial because unlike the others it is not spotted as easily. Two layers from different parts of the geological column lie flat and parallel, one on top of the other separated only by a bedding plane with no evidence of erosion which makes this unconformity hard to spot. So, if the rock layers are flat and there is no evidence of erosion what makes geologists think that paraconformities represent long periods of time? Geologists will notice the gap in the fossil sequence. A long time is believed to have passed because the fossils in both the rocks on top and on the bottom, are guessed to be from different periods of time. Geologists study the rocks to

Thesis – Before he went to the hospital, hard rock was notorious, a rebel but when he comes back from the hospital he is passive.

Passive continental margins are inactive regions. They are at a distance from plate boundaries. When continental blocks rift apart and are separated by seafloor spreading passive continental margins develop. For the most part passive margins are relatively wide and are known as sites where abundant amounts of sediments are deposited. Some of the main features of passive continental margins would be the continental shelf, the continental slope, and the continental rise. The continental shelf is a gently sloping , submerged surface extending form the shoreline to the deep-ocean basin. It consist of continental crust capped with sedimentary rocks and sediments eroded from adjacent landmasses. The seaward edge of the continental shelf is the continental slope. The continental slope is a steep structure that marks the boundary between continental crust and oceanic crust. The inclination of the continental slope varies from location but has an average of about five degrees in places exceeds twenty-five degrees. The continental slope merges into a gradual incline known as the continental rise . The continental rise can extend seaward for hundreds of kilometers. The continental rise is made up of a thick accumulation of sediment that has moved down the continental slope and onto deep-ocean floor. Majority of the sediments are delivered to the seafloor by turbidity currents that periodically flow down submarine canyons. Submarine canyons are know for their Deep, steep-sided

Hydrothermal solutions cause alteration of the surrounding rock. Hydrothermal ore-forming processes can be found everywhere on Earth throughout the crust, most observed ore deposits have more than likely been touched by Hydrothermal ore-forming processes. Rose and Burt (1979) state that “Hydrothermal alteration is conversion of an initial mineral assemblage to a new set of minerals more stable under hydrothermal conditions of temperature, pressure, and most importantly, fluid composition” (p. 173). Hydrothermal alteration is considered a type of metamorphism, metamorphism is the recrystallization of a parent rock a more stable to new minerals. The type