Essays on Obsidian

GEOL1202 Planet

The rock was picked up on crystal beach, Halifax, Nova Scotia, Canada. The rock was on the white sand beach. Because of the abundance of this rock, it is possible the beach sand is a combination of this type of rock, pummeled into sand over thousands of years.

Observations:

The rock is rounded, like a squished tennis ball. It is about the size of the palm of a medium male hand. The rock is white whith small black flecks of another rock type in it. This rock was laying on the beach with hundreds of similar rocks. It seemed to ...

The history of glass can be traced back to 3500 BC in Mesopotamia and the first jar made of glass was made in 3000BC. The first historical archaeological evidence of glass was discovered in ancient Egypt along the Mediterranean coast where it is estimated that that the first glass like object was discovered from the slug waste that was used from extracting metals. Indigenous production of glass progressed commercially in 1730 BC, and in Ancient China took out late as compared to metalwork and ceramics. It later took a giant production root that saw it to become among the leading ...

In the article “Dawn of a New Stone Age in Eye Surgery” author Payson Sheets aims at explaining the progress achieved by archaeologists in the quest to study the ancient health. The author believes that, in such studies, these scientists are able to discover a new knowledge or idea, which may be helpful especially in future aspirations. Sheet acknowledges the fact that the presence of both luck and logical inquisitiveness has enabled these experts to come with new or advanced discoveries concerning cultural changes. This implies that material culture has managed to change subsequent to borrowing as well as diffusion of ...

Like smallpox, influenza, Black Plague, malaria, AIDS, and typhus, the disease that Octavia Butler writes about in her science fiction is one that affects the American people in pandemic proportion. Octavia uses her story to illustrate the difficulties of life without written or spoken language. "Speech Sounds" is a science fiction short story by Octavia Butler. Its most recent publication was 2008 in a collection of short stories titled Wastelands; first it was published in Asimov’s Science Fiction Magazine in 1983; and in 1994 it won the Hugo Award for Best Short Story. The story is about an illness ...

The Igneous rocks, also referred as Plutonic rocks are one of the main rock types apart from metamorphic and sedimentary. These rocks can be formed either by intrusive or extrusive process depending on the location on the earth’s surface. The cooling and crystallization of magma (melted rock) inside the ground or above the ground creates the igneous rocks. Eruption of volcanoes also causes the formation of Igneous Rocks when the magma intensifies above the surface of the earth. The magma that rises above the surface is referred as Lava and the igneous rocks form when the lava solidifies. ...

The archeologist studied the life of a farmer in the San Juan, Mexico to understand how the manufacture and trade of matateos and menois in the ancient city of Copan was carried out. The study of Filemeno Gabriel’s way of life shed light to how and why the farmers in ancient city of Copan manufactured the matateos and menois. It was noted that Gabriel made matateos in his spare time so as to supplement his budget. This was because as a farmer Gabriel could only produce what was enough for him, his family and the domestic animals he owned. ...

The Coyolxauhqui Stone

Found at the base of Templo Mayor’s stairs, the Coyolxauhqui is a large, shield-shaped stone relief similar to what was being described in the legend. The sculpture might have been made during the 14th century as the Templo Mayor was built in 1325. It is said that the Templo Mayor was constructed based on a prophecy followed by the Aztecs wherein they will find an eagle perched on a cactus while devouring a snake. The Templo Mayor continued to expand for two centuries. During the time of Spanish Conquest in 1521, it reached a total population of 300,000 and was considered as ...