Hornfels DEFINITION Hornfels is a very fine-grained metamorphosed shale rock‚ usually gray to black in color. Mineral composition in variable but is usually made up of some combination of equidimensional mosaic of quartz or calcite along with inequidimensional sheet silicates in random orientation or sometimes containing andalusite porphyroblasts. OCCURANCE Hornfels forms when shale rocks come into contact with a hot igneous intrusion body at lower pressures and at the equilibrium temperature
Premium Igneous rock Sedimentary rock Rock
The Juan De Fuca tectonic plate is found on the west coast of North America. It is next to the North American plate‚ and according to America’s Tectonics‚ the Juan de Fuca plate is getting subducted under it. This plate is made of oceanic crust‚ but it is also basaltic in some areas. It was named after the pilot and sailor‚ Juan de Fuca‚ an explorer from Europe in the 1600s. The Juan de Fuca plate has a divergent boundary in the Juan de Fuca ridge. New material is made by the Juan de Fuca ridge
Premium Earth Plate tectonics Volcano
Banff National Park is Canada’s oldest national park‚ established in 1885 in the Rocky Mountains. Banff is the third-oldest national park in the world. In 1883‚ three railway workers‚ Thomas McCardell‚ William McCardell and Frank McCabe discovered a number of hot springs (now known as cave and basin) at the base of what is now called Sulphur Mountain. The park started as a 25 square kilometers (10 square mile) reserve around the Sulphur Mountain Hot Springs‚ established by the Dominion of Canada
Premium Volcano United States Volcanology
What makes Steven Kutcher and Carsten Peter so unique? They both are very intelligent people who live different lives than the “typical man”. Steven is an entomologist and bug trainer‚ and Carsten is a volcano enthusiast who lives for taking pictures of volcanoes. You currently may be asking yourself what the heck do these two men have in common? But they actually have a lot more in common than what you would think. Both of Steven and Carsten’s jobs are what they are very passionate about‚ and have
Premium Volcano Love Lava
Volcanic eruptions can cause damage within hundreds of miles away. The volcano ash’s causes airplane engines to fail‚ destroys crops‚ contaminates water‚ and damages electronics and machinery. When the ash touch’s the ground‚ burying everything‚ sometimes even make’s buildings to collapse. Mount St. Helen’s produced more than 490 tons of ash that fell over some many miles. All volcanos are dangerous. They are all scattered all over the world and we don’t know when they are going to blow. The three
Premium Volcano Lava Earth
Writing Assignment: Famous Igneous Rocks 25 Points Some very famous stone products are made out of igneous rocks. Select one of the items in the list below and do some research on it. Then write a creative story about the travels or life history of the rock that makes up the item. Your story can be as creative as you like but must at least include: * An explanation of the conditions under which the igneous rock was formed in the first place * What the product is today‚ where it is located
Premium Igneous rock Granite Magma
Away from the coastal resorts the volcanic island of Lanzarote is a natural wonder full of surprises for the intrepid explorer. As you drive up the west coast of Lanzarote on the LZ 2 towards Timanfaya National Park make a left turn onto the LZ 703 as you come to the salt flats at Janubio and continue north towards the town of El Golfo. The scenic LZ 703 hugs the ocean on this part of Lanzarote and has been the backdrop for many a car commercial thanks to the crashing Atlantic waves and the way the
Premium Volcano Lava Plate tectonics
First‚ we will discuss Mount St. Helens Volcano. Mount St. Helens is a stratovolcano located in the Pacific Northwest of the United States within Washington State. A stratovolcano is also known as a composite cone‚ which is “a large symmetrical structure that consists of alternating layers of explosively erupted cinders and ash interspersed with lava flows (Lutgens‚ 2012.)” Due to the cone shape of the volcano‚ stratovolcanoes are known for creating large explosive eruptions that can eject vast amounts
Premium Volcano Lava Volcanology
Did anyone know that around 10 volcanoes erupt everyday and it helps many people? Volcanoes are very good for many thing and it helps alot of people in the world for a huge list of things that it can do for people volcanoes can help economic trouble and even it can help hunger. This area where people live on volcanoes are safe on many levels like some volcanoes people live on are super quiet eruption volcanoes and they do not erupt and explode like volcanoes people think of. But sometimes disaster
Premium Volcano Earth Lava
When people hear of Santorini‚ they think of the islands in Greece located in the beautiful waters of the Aegean sea. What many people do not know is that Santorini is in fact a scope of volcanoes‚ also known as shield volcanoes. Shield volcanoes are easily identifiable because they actually look like volcanoes (“Shield Volcanoes‚” 2016). I have actually had the pleasure of visiting Santorini a few years ago and I have included some pictures. Some of the things I have learned about this volcanic
Premium Volcano Plate tectonics Lava