on April 15, 2022
What caused most of the destruction associated with the eruption of Nevado del Ruiz?
Regional SpecificsOddly enough, the actual eruption of Nevado del Ruiz didn’t cause most of the destruction. It was caused not by lava but by the towering walls of sliding mud created when large chunks of hot ash and pumice mixed with melted snow. What was the damage of Nevado del Ruiz? The lahars destroyed everything in
on April 15, 2022
What is the gangue in chemistry?
Regional SpecificsA gangue in chemistry can be defined as an unwanted material or impurities in the form of sand, rock or any other material that surrounds the mineral in an ore deposit. This substance is common when it comes to the aspect of mining. What is called gangue? In mining, gangue (/ɡæŋ/) is the commercially worthless
on April 15, 2022
What is the Indo Australian plate made of?
Regional SpecificsThe Indo-Australian Plate is a major tectonic plate that includes the continent of Australia and surrounding ocean, and extends northwest to include the Indian subcontinent and adjacent waters. It was formed by the fusion of Indian and Australian plates approximately 43 million years ago. What type of crust is the Indo-Australian Plate made from? oceanic
on April 15, 2022
How does relative and absolute dating were used to determine the subdivisions of geologic time?
Regional SpecificsAbsolute dating involves determining a rock’s actual age as a number of years, whereas relative dating methods provide an estimate of the age of a rock by comparing it to rocks of a known age The Geological Time Scale has been created by combining both absolute and relative dating methods. How relative and absolute dating
on April 15, 2022
What did Nicolaus Steno discover?
Regional SpecificsSteno was the first to realize that the Earth’s crust contains a chronological history of geologic events and that the history may be deciphered by careful study of the strata and fossils. He rejected the idea that mountains grow like trees, proposing instead that they are formed by alterations of the Earth’s crust. What is
on April 15, 2022
What are most deep focus earthquakes linked to?
Regional SpecificsBy far the most active deep focus faulting zone in the world is that caused by the Pacific Plate subducting under the Australian Plate, Tonga Plate, and Kermadec Plate. Earthquakes have been recorded at depths of over 735 kilometres (457 mi), the deepest in the planet. What are deep focus earthquakes associated with? (ii) Deep-focus