impact theory is so appealing because it explains pretty much all of the “common ground” about the K-Pg event. It explains the climate change‚ the iridium and would of been able cause mass extinction. In 1980 the collision was first theorized by geologist Walter Alvarez and his son after Walter was studying clay deposits from 65 million years ago and found levels of iridium hundreds time more than normal from sample in different parts of the world (SciShow). Other scientist started finding more evidence
Premium Dinosaur Cretaceous Extinction event
where the magma cools. The magma may cool while it’s underneath Earth’s surface or it may break through the earth’s surface at a volcano. In this case‚ magma becomes lava. Igneous rocks were the earth’s first rocks and made up the early crust. When geologists are searching for rocks that contain iron‚ igneous rocks would be the
Premium Igneous rock Sedimentary rock
Plate tectonics is a scientific theory that describes the large-scale motions of Earth’s lithosphere. The model builds on the concepts of continental drift‚ developed during the first few decades of the 20th century. The geoscientific community accepted the theory after the concepts of seafloor spreading were developed in the late 1950s and early 1960s. The lithosphere is broken up into tectonic plates. On Earth‚ there are seven or eight major plates and many minor plates. Where plates meet‚ their
Premium Plate tectonics
Thomas and was visited on the second of February 2011 between the hours of 9a.m – 5p.m. Materials such as pictures and data have been gathered by means of reading Geography textbooks and notes which have been collected on the day of the trip from the Geologist‚ to put this project together. ------------------------------------------------- DELTA A Delta is a triangular shaped area of deposits of the mouth of a river. As it enters the sea the river can no longer carry its load‚ which is deposited in
Premium Sediment River Geomorphology
The Sierra Nevada mountain range stretches across the eastern side of the state of California. The range begins in the south at the Tehachapi Pass near Bakersfield and stretches north to Lake Almanor. The Sierra Nevada range is 400 miles long‚ north-to-south and has an average width of 70 miles wide. It was formed through subduction when the Pacific plate slid under the North American plate. The range is made up of deeply imbedded rock otherwise known as batholiths. The eastern slope of the mountains
Premium Yosemite National Park California National Park Service
A grouping of 110 to 112 million-year-old dinosaur footprints pressed into mud from the Cretaceous Period have now been safely moved from their original setting on the grounds of NASA’s Goddard Space Flight Center in Greenbelt‚ Md. Until further scientific study is possible‚ the footprints‚ now wrapped in protective material‚ will be stored on the Goddard campus. The discovery of dinosaur footprints came to light in August 2012 when well-known Maryland-based dinosaur hunter Ray Stanford brought
Premium Dinosaur Geology Fossil
The environmental problem was caused by the failure of engineers and geologists to understand the nature of the problem they were trying to deal with. The people demanding environmental justice were: Farmers‚ Local
Premium Natural environment Environment Environmentalism
By Craig W. Van Kirk‚ Professor/Head of Petroleum Engineering Colorado School of Mines‚ Golden‚ CO‚ USA PETROLEUM ENGINEERING CAREER TRACKS EW GRADUATES IN PETROLEUM ENGINEERING ENJOY A WIDE VARIETY OF career opportunities. Job placement is 100 percent by graduation‚ with most students in this field remaining satisfied with a BS degree for their entire careers; those who earn Master’s and PhD degrees also enjoy 100 percent job placement. A career in this industry may begin anywhere—a small
Premium Petroleum
B. Van Arsdale and Randel T. Cox shed light on the mysterious Mississippi Embayment. They begin by explaining the origins of the horseshoe-shaped lowland that is underlain by massive quantities of sand‚ silt and mud deposits. They begin at what geologist call Pangea‚ which is when North America‚ South America‚ Africa and Eurasia came together to form one supercontinent. This collision raised several mountain ranges‚ including the Ouachita-Appalachian. Pangea is said to be ripped apart where it
Premium Mississippi River Geology Appalachian Mountains
WRITTEN BY: SAYALI MAIEN DIRECTED BY: SHREYA MISHRA NARRATED BY: KIRTANA KANAGARAJ PARTICIPANTS ARE: KIRTANA KANAGARAJ- APOORVA SHINDE- SAYALI MAIEN- SHREYA MISHRA- SHIKHA CHANDEL- ROHIT CHAVAN- RAJ GOREKAR- AKASH SHINDE- DEEP MAYEKAR- MEHUL MEWADA- SUMMARY: It is the year 2020 and man has mastered the art of asteroid colonization. Several scientists have their private labs located on asteroids located in earth’s orbit to study the space with minimum atmospheric interference. Many
Premium Space exploration NASA Jupiter