Page 3 of 10 - About 95 Essays
  • Rift Valley Essay

    New crust is generated as plates pull away from each other and can either cause sea floor spreading or new land to be created. An example of a continental rift valley is the Eastern African Rift Valley which is being formed as the Eastern African plate is moving away from the main Africa plate in a north-easterly direction. Plates move apart due to convection currents in the lithosphere. As the crusts move away from each other the crust thins, tension in the lithosphere causes the plate to…

    Words: 1860 - Pages: 8
  • Fordham Gneiss

    New York exists on bedrock that tells a tale of millions of years ago, going as far back as the late Mesoproterozoic (1.6 to 1 billion years ago). The layers that make up this bedrock show the conditions of the earth’s surface through many different orogenies, which are times of high grade metamorphism and where plate tectonics makes its biggest changes. The Fordham gneiss was formed a billion years ago (oldest) during the Grenville orogeny (Precambrian) which featured sediment deposits and…

    Words: 1057 - Pages: 5
  • Pan African Orogen Case Study

    CHAPTER ONE 1. INTRODUCTION 1.1. BACKGROUND AND JUSTIFICATION Pan African Orogen (PAO) was formerly introduced by Kennedy (1964) to designate the peak of a wide spread orogenic thermo-tectonic episode characterized by intense period of reactivation and crustal formation. The term Pan African Orogen was used to describe the structural differentiation of Africa into cratons and mobile belts during the Neoproterozoic to earliest Paleozoic time (Kennedy, 1964). However, Kröner (1984) reformulate…

    Words: 1110 - Pages: 5
  • Soufriere Hills Volcano Analysis

    Introduction In this paper the Soufriere Hills Volcano will be analyzes in several different parts; an introduction to the Soufriere Hills volcano, the composition of the magma and lava in the volcano, other characteristics of the magma and lava, ash production from eruptions, pyroclastic flows, volcanic activity before the 1995 eruption, the 1995 eruption, cyclic activity within the volcano, and potential hazards of the Soufriere Hills volcano. Soufriere Hills volcano is located in the…

    Words: 1427 - Pages: 6
  • Hawaiian Island Emperor Seamount Chain Case Study

    Volcanic Application Assignment 1. Which Plate contains the Hawaiian Island-Emperor seamount chain? The Pacific plate contains the Hawaiian Island-Emperor seamount chain. This mountain range is under water mountain range, it reaches above the sea level in Hawaii. Composed a rigid mountain range it is situated in the northwest of Kure and Emperor Seamount. Starched from the northwest to southwest beneath the Pacific Ocean it consists of many seamounts, shallow banks and reefs along the line. More…

    Words: 1722 - Pages: 7
  • Spanish Culture In Costa Rica

    Most of Costa Rica is dominated by the Sierra Madre mountains, literally fractured into individual ranges and valleys by violent volcanic eruptions over eons of time. Guatemala, except for the coastal areas, is a mountainous country of rolling hills, plateaus, deep river valleys, and numerous volcanoes – some still active.Speaking of volcanoes , Costa Rica’s most active one, located in the Tilaran Mountains erupts in some measure almost every day. To the southeast, the Poas, Barva, Irazu and…

    Words: 590 - Pages: 3
  • Deccan Traps Essay

    This paper examples the formation of the Deccan traps, the Deccan continental flood basalt, and present day Indian. Its first provides a brief background on what the Deccan Traps are and the history of their geologic integrity. The proof is explained through scientists seismic tomographic models and the evolution of the Indian plate, the Reunion island hotspot, and the evolution of lithospheric mantle structure. Keywords: deccan, mantle, plate, hotspot, reunion, reconstructions.…

    Words: 1117 - Pages: 5
  • Punchbowl Falls

    Sedimentology and Formation of Punchbowl Falls The following essay will focus on Punchbowl Falls, one of the thirteen waterfalls located on the Eagle Creek hiking trail in the Columbia River Gorge approximately 24 miles from downtown Portland, Oregon. The hike to Punchbowl Falls is a modest 4.2 miles with a slight elevation gain of 400 ft. While hiking the trail to Punchbowl one can find a variety of interesting rock faces and vast vistas overlooking Mt. Hood national forest. Punchbowl’s unique…

    Words: 838 - Pages: 4
  • Golden Geologic History Report: The Journey To Red Rocks Park

    GOLDEN GEOLOGIC HISTORY REPORT It all started with the Big Bang then the whole universe is formed, continued with the formation of the Milky Way, where there is a solar system with the planet Earth and then there were this little town called Golden. This is a report that will travel through time telling the stories of the incidents happened in to this town of Golden. During our journey we must note that the whole geological of Golden is tilted and there were mining done here. Let’s start our…

    Words: 2002 - Pages: 9
  • Young Man Stone Statue Analysis

    The Heard Museum received a statue of a young man in a kneeling pose, made of the volcanic rock andesite as a donation from a patron. The art style is from Olmec culture, which is classified as part of the Early Preclassic period in Mesoamerican history. The Olmec people lived in the modern-day states of Veracruz and Tabasco on the Golf Coast of Mexico between 1500B.C.E and 400B.C.E. The young man stone statue found on El Azuzul in Veracruz, and is commonly known as part of a set of statues…

    Words: 1945 - Pages: 8
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