Asiatic Theory and the Formation of the Philippine Archipelago
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Questions and Answers

According to the Asiatic Theory, how was the Philippine archipelago formed?

  • Through volcanic eruptions and lava flows
  • Through diastrophism processes such as upfolding and upthrust faulting (correct)
  • Through tectonic plate movements and subduction
  • Through erosion and sedimentation

    • What led to the formation of mountains with high elevation levels in the Philippine archipelago according to the Asiatic Theory?

  • Erosion and weathering
  • Tidal waves and sea currents
  • Glacial movement and deposition
  • Diathropic processes such as folding, faulting, and warping (correct)

    • According to the Asiatic Theory, what process caused a portion of the earth's crust to rise higher than the rest?

  • Diastrophism (correct)
  • Volcanic activity
  • Tectonic subduction
  • Erosion

    • When did the diathropic rise of the Philippine archipelago occur according to the Asiatic Theory?

    <p>At the end of the Paleozoic Era</p> Signup and view all the answers

    What type of rocks appeared after the diathropic rise of the Philippine archipelago according to the Asiatic Theory?

    <p>Igneous or burnt rocks such as diorite, gabbro, and granodiorite</p> Signup and view all the answers

    According to Dr. Leopoldo A. Faustino's Asiatic Theory, what caused the depression that led to the warped end of the continental shelf?

    <p>Movement of the Asian landmass towards the south</p> Signup and view all the answers

    Which diastrophic processes are mentioned in relation to the formation of the Philippine archipelago in the Asiatic Theory?

    <p>Upfolding and upthrust faulting</p> Signup and view all the answers

    According to Dr. Leopoldo A. Faustino's Asiatic Theory, when did the structure of mountainous areas that eventually became the Philippine archipelago form?

    <p>During the Permian Revolution 200 million years ago</p> Signup and view all the answers

    During which epoch was the current structure of the Philippines formed?

    <p>Pleistocene Epoch</p> Signup and view all the answers

    What caused the emergence of land bridges during the Ice Age in the Southeast Asian region?

    <p>Decreasing sea levels</p> Signup and view all the answers

    According to the Land Bridge Theory, which countries are the primary islands of the Philippines connected to?

    <p>Southeast Asia and Borneo</p> Signup and view all the answers

    What is the approximate range of the sea level decrease during the Ice Age mentioned in the text?

    <p>200 to 100 meters</p> Signup and view all the answers

    What geological processes contributed to the formation of many places in the Philippine archipelago?

    <p>Tectonic diatrophism and vulcanism</p> Signup and view all the answers

    Which islands in the Philippines may be connected to Palawan, which is then connected to Borneo?

    <p>Mindanao and Sulu</p> Signup and view all the answers

    Study Notes

    Formation of the Philippine Archipelago

    • The Asiatic Theory explains the formation of the Philippine archipelago, which occurred through a diathropic rise, where a portion of the earth's crust rose higher than the rest.
    • This rise led to the formation of mountains with high elevation levels in the archipelago.

    Diathrophic Rise

    • The diathropic rise of the Philippine archipelago occurred during the Pliocene epoch.
    • This process caused a portion of the earth's crust to rise higher than the rest, resulting in the formation of mountains.
    • After the diathropic rise, igneous and metamorphic rocks appeared.

    Depression of the Continental Shelf

    • According to Dr. Leopoldo A. Faustino's Asiatic Theory, the depression that led to the warped end of the continental shelf was caused by tectonic forces.

    Diastrophic Processes

    • The diastrophic processes involved in the formation of the Philippine archipelago include faulting, folding, and volcanic activity.

    Structure of Mountainous Areas

    • The structure of mountainous areas that eventually became the Philippine archipelago formed during the Pliocene epoch.

    Formation of the Philippines

    • The current structure of the Philippines was formed during the Pleistocene epoch.

    Land Bridges

    • During the Ice Age, the sea level decreased, resulting in the emergence of land bridges in the Southeast Asian region.
    • The primary islands of the Philippines are connected to other islands, specifically Borneo, through these land bridges.

    Sea Level Decrease

    • The sea level decreased by approximately 100-150 meters during the Ice Age.

    Geological Processes

    • Geological processes such as volcanic activity, faulting, and folding contributed to the formation of many places in the Philippine archipelago.

    Island Connections

    • The islands of Mindoro, Palawan, and Panay may be connected to Borneo through land bridges.

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    Test your knowledge about the Asiatic Theory and its explanation for the formation of the Philippine archipelago. Learn about the diastrophism process and its role in creating these islands.

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