What is intensity in earthquake?
GeologyThe intensity is a number (written as a Roman numeral) describing the severity of an earthquake in terms of its effects on the earth’s surface and on humans and their structures. Several scales exist, but the ones most commonly used in the United States are the Modified Mercalli scale and the Rossi-Forel scale. What is
What are the two main processes in diagenesis?
GeologyTwo of the most common chemical processes found in diagenesis are cementation and dissolution. The two processes work in opposite directions, with cementation adding new material in the pore spaces between the existing grains, and dissolution removing material from these spaces. What are the processes of diagenesis? Processes in this stage are mechanical (reworking, compaction),
What is the world’s deadliest volcano?
GeologyDeadliest Eruption Deaths Volcano When 92,000 Tambora, Indonesia 1815 36,417 Krakatau, Indonesia 1883 29,025 Mt. Pelee, Martinique 1902 25,000 Ruiz, Colombia 1985 What is the world’s most dangerous volcano? The World’s Most Dangerous Volcanoes Mount St. Helens, Washington. … Mount Kilauea, Hawaii. The world’s most active volcanic mass, Kilauea is home to many frequent eruptions.
What type of rock is chalcedony?
GeologyChalcedony is a white, buff, or light tan, finely crystallized or fibrous quartz that forms rounded crusts, rinds, or stalactites (mineral deposits suspended from the roofs of caverns) in volcanic and sedimentary rocks as a precipitate from moving solutions. Is chalcedony a sedimentary? Chalcedony can be found in weathering volcanic rocks, but also in sedimentary
What type of volcano is Mount okmok?
GeologyShield volcano Complex Mount Okmok Geology Mountain type Shield volcano Complex with nested Caldera Volcanic arc/belt Aleutian Arc Last eruption July to August 2008 Is Okmok caldera active? The documented eruption of 1945 occurred at a cinder cone near the southwest caldera wall; this cone may have been the site of all historical activity of
Is Coquina organic or chemical?
GeologyNon Clastic rocks are formed from living things or chemical means. Below are some examples. Coquina is made of larger shells of marine organisms.… Environment Swamp Type of Sediment Organic remains or plants and organism still containing some energy Rock type produced Coal Clastic or non clastic Non-clastic Is Coquina a organic sedimentary rock? Coquina,
How many people died in the 1923 Tokyo earthquake?
GeologyTokyo-Yokohama earthquake of 1923, also called Great Kanto earthquake, earthquake with a magnitude of 7.9 that struck the Tokyo-Yokohama metropolitan area near noon on September 1, 1923. The death toll from the temblor was estimated to have exceeded 140,000. How long did the 1923 Tokyo earthquake last? 1923 Great Kantō earthquake 関東大地震関東大震災 Destruction of the
Who came up with the principle of original horizontality?
Geologypioneer Nicholas StenoNicholas Steno (1638–1686). Who discovered the principle of superposition? The law of superposition was formulated by Danish geologist Nicolaus Steno and outlined in his book De Solido Intra Naturaliter Contento Dissertationis Prodomus (1669; The Prodromus of Nicolaus Steno’s Dissertation Concerning a Solid Body Enclosed by Process of Nature Within a Solid). What does
Where can I dig for gems in Georgia?
GeologyWhere can I find gems in Georgia? Some of Georgia’s most sought-after specimens include corundum, ruby, quartz, amethyst, staurolite, and even diamond.Where to Find Gemstones in Georgia. Location Gemstone Graves Mountain mine Lazulite, Rutile Jackson Crossroads Amethyst Mine Amethyst Hogg Mine Amethyst, Aquamarine, Beryl, Garnet, Quartz, Tourmaline Can you dig for gems in Georgia? While
Which tectonic plates move the fastest?
GeologyThe Pacific Plate is the fastest at over 10 cm/y in some areas, followed by the Australian and Nazca Plates. The North American Plate is one of the slowest, averaging around 1 cm/y in the south up to almost 4 cm/y in the north. What is the fastest moving tectonic plate on Earth? Australia Because