Is there a volcano in Los Angeles California?
Regional SpecificsIs there a real volcano in Los Angeles? There are no volcanoes in Los Angeles. The closest volcanic activity is the Lavic volcanic field and Coso volcanic field. Are there any volcanoes in Los Angeles County? The closest volcanic area to Los Angeles is the Coso Volcanic Field that lies just north of Ridgecrest, California,
Is basalt smooth or rough?
Regional Specifics‘A’a basalts have rough surfaces (that make barefoot people cry, “Ah! Ah!” as they walk across it). They form from fast flowing lava. Pahoehoe basalts have a smooth glassy surface that looks like many ropes. What is the texture of basalt? Basalts show, almost always, aphanitic or fine-grained mineral texture resulting from rapid cooling of
What is mined in subsurface mining?
Regional SpecificsUnderground mining (or subsurface mining) Underground mining is best suited to extract minerals that are located deep under the surface of the earth. Common minerals extracted using underground mining include gold, lead and silver. What are three resources that can be mined using subsurface mining? The deepest mine on Earth are up to 3.5 km
What is the absolute dating method?
Regional SpecificsAbsolute dating methods measure the physical properties of an object itself and use these measurements to calculate its age. One of the most useful absolute dating methods for archaeologists is called radiocarbon dating. It works by measuring carbon isotopes, which are versions of the element carbon. What are 3 methods of absolute dating? Absolute dating
What is the easiest way to tell quartzite and marble apart?
Regional SpecificsUse a sharp edge or point of the stone to scratch the surface of the glass using high force. One of two things will happen, either the glass will scratch because the stone is harder or the stone will crumble because the glass is harder. If the glass scratches, you have quartzite. If the stone
What is the average size of a composite volcano?
Regional SpecificsStratovolcanoes (Composite Volcanoes) These volcano land formations are typically 10-20 miles across and up to 10,000 or more feet tall. This type of volcano has steeper slopes of 6-10 degrees on its flanks and as much as a 30 degree slope near the top. What is the average size for a volcano? Typical shield volcanoes