Where are neritic sediments found?
GeologyNeritic sediments cover about ¼ of sea floor and are near landmasses. The term pelagic means “of or relating to the open sea” particularly the upper layers of the ocean away from shore. Pelagic sediments are generally deep-water deposits mostly oozes (see below) and windblown clays. Where is neritic sand found? These are found in
How many people were evacuated from Mount Pinatubo?
Geology60,000 peopleMore than 60,000 people were evacuated by early June 1991. How many lives were saved by evacuating the surrounding area near Mount Pinatubo? The collaborative work of scientists from the U.S. Geological Survey (USGS), and the Philippine Institute of Volcanology and Seismology (PHIVOLCS) saved more than 5,000 lives and $250 million in property by
How is porosity formed?
GeologyPorosity determines reservoir storage capacity. It is defined as the ratio of void space, commonly called pore volume, to bulk volume and is reported either as a fraction or a percentage.…Carbonate pore systems. Pore Type Description Shelter Porosity created by the sheltering effect of large sedimentary particles How do you explain porosity? Porosity is the
What does anomaly mean in science?
GeologyWhat does Anomaly Mean in Science? In science, an anomaly is an observation that differs from the expectations generated by an established scientific idea. Anomalous observations may inspire scientists to reconsider, modify, or come up with alternatives to an accepted theory or hypothesis. What does anomaly mean? Definition of anomaly 1 : something different, abnormal,
What type of texture do clastic sedimentary rocks have?
Geology questionsExamples of clastic sedimentary rocks are sandstone and conglomerate. Some clastic sedimentary rocks (such as shale and mudstone) are fine enough that the individual grains cannot be distinguished. These fine-grained rocks are said to have an aphanitic texture. What is the texture of clastic sedimentary rock? Clastic texture: grains or clasts do not interlock but
What life was found during the Archean time?
Geologyphotosynthetic bacteriabacterial. The Archean coast was home to mounded colonies of photosynthetic bacteria called stromatolites. Stromatolites have been found as fossils in early Archean rocks of South Africa and western Australia. What life was found during the Archean time what began to evolve? During The Archean Eon the crust of the earth solidifies, oceans form,
Where are igneous rocks formed?
GeologyIgneous rocks (from the Greek word for “fire”) form when hot, molten rock (magma) crystallizes and solidifies. Magma originates deep within the Earth, near active plate boundaries or hot spots. Magma that rises to the surface is called lava.Sep 11, 2019 Where are igneous rocks most likely found? Where Igneous Rocks Are Found. The deep
How much damage did the 1964 Alaska earthquake cause?
Geology300-400 million dollars300-400 million dollars (1964 dollars). The number of deaths from the earthquake totalled 131; 115 in Alaska and 16 in Oregon and California.Mar 28, 2022 How much damage did the Great Alaska earthquake cause? A Costly Disaster The earthquake and ensuing tsunamis caused about $2.3 billion of damageThe earthquake and ensuing tsunamis caused
What is the defining trait of all minerals?
GeologyMinerals always occur in nature, they are solid and are inorganic. They have a crystal structure and each mineral has a unique chemical composition.Apr 13, 2018 What defines a mineral? A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common
What does social causation mean?
GeologySocial causation of disease is defined as the origin of illness that results from social conditions and social interactions. This definition assumes that human biological factors are not the sole cause of disease. What is an example of social causation? A social causation argument would say that being poor increases mental illness. Not having enough