PETROGENESIS OF THE MAGLAJ VOLCANICS, CENTRAL BOSNIA
... Crustal contamination and AFC processes LILEs such as K, Rb and Ba can be not only useful indicators of the degree of fractionation, but may indicate whether the magma producing volcanic rocks were contaminated with crustal material [14, 15]. Varying ratios K2O/Na2O versus SiO2 in terms of sanidine ...
... Crustal contamination and AFC processes LILEs such as K, Rb and Ba can be not only useful indicators of the degree of fractionation, but may indicate whether the magma producing volcanic rocks were contaminated with crustal material [14, 15]. Varying ratios K2O/Na2O versus SiO2 in terms of sanidine ...
petrogenesis of the maglaj volcanics, central bosnia
... Crustal contamination and AFC processes LILEs such as K, Rb and Ba can be not only useful indicators of the degree of fractionation, but may indicate whether the magma producing volcanic rocks were contaminated with crustal material [14, 15]. Varying ratios K2O/Na2O versus SiO2 in terms of sanidine ...
... Crustal contamination and AFC processes LILEs such as K, Rb and Ba can be not only useful indicators of the degree of fractionation, but may indicate whether the magma producing volcanic rocks were contaminated with crustal material [14, 15]. Varying ratios K2O/Na2O versus SiO2 in terms of sanidine ...
Chapter 19 Study Notes: The Ocean Basins
... • Scientists use ______ to calculate the ______ of the ocean floor. – sonar – depth ...
... • Scientists use ______ to calculate the ______ of the ocean floor. – sonar – depth ...
Unit 7 Review Because of the weight of the rock above, pressure
... satisfactory explanation for the force that pushes or pulls the continents. Pg 330 23. At the ________ ____________ , molten material rises from the mantle and erupts. The molten material then spreads out, pushing older rock to both sides of the ridge. Pg 333 24. The process that continually adds ne ...
... satisfactory explanation for the force that pushes or pulls the continents. Pg 330 23. At the ________ ____________ , molten material rises from the mantle and erupts. The molten material then spreads out, pushing older rock to both sides of the ridge. Pg 333 24. The process that continually adds ne ...
SCHOOL---SCIENCE---Grade-3---Earth-Changes
... 13. Earth’s ________________________ makes up the continents and the ocean floor. 14. Earth’s crust is a(n) ________________________________, cool layer. 15. Under the crust is a layer called the ___________________________. 16. The deepest and hottest layer of the Earth is the _______________. 17. ...
... 13. Earth’s ________________________ makes up the continents and the ocean floor. 14. Earth’s crust is a(n) ________________________________, cool layer. 15. Under the crust is a layer called the ___________________________. 16. The deepest and hottest layer of the Earth is the _______________. 17. ...
Final Exam Study Guide 2016
... 5. Mineral crystals can give information about the mineral. What sort of information? 6. How were the Hawaiian Islands formed ? 7. Explain contour lines on a topographic map. 8. List and explain the “rules” of contour lines. 9. What do index contour lines indicate? ...
... 5. Mineral crystals can give information about the mineral. What sort of information? 6. How were the Hawaiian Islands formed ? 7. Explain contour lines on a topographic map. 8. List and explain the “rules” of contour lines. 9. What do index contour lines indicate? ...
ch01 (1)
... evaporated and was refilled several million years ago. This event would have had a profound effect upon the plant and animal species of the area, both on land nearby and in the Mediterranean Sea. As this happened over a long time, some species may have been able to adapt or change to the changing co ...
... evaporated and was refilled several million years ago. This event would have had a profound effect upon the plant and animal species of the area, both on land nearby and in the Mediterranean Sea. As this happened over a long time, some species may have been able to adapt or change to the changing co ...
Earth - edl.io
... Seafloor Spreading Theory- 1960s Alternating patterns of magnetic properties were discovered in rocks found on the seafloor. Dating of the rocks indicated that as one moved away from the ridge, the rocks became older. New crust was being created at volcanic rift zones. ...
... Seafloor Spreading Theory- 1960s Alternating patterns of magnetic properties were discovered in rocks found on the seafloor. Dating of the rocks indicated that as one moved away from the ridge, the rocks became older. New crust was being created at volcanic rift zones. ...
Plate Tectonics Lecture
... Some volcanic regions such as the Hawaiian Islands are isolated but most correspond well to the map to Plate boundaries. ...
... Some volcanic regions such as the Hawaiian Islands are isolated but most correspond well to the map to Plate boundaries. ...
Deformation of the Crust
... • Difference in time P and S waves arrive (lag-time) • Draw circles (radius = distance to epicenter from station) • Point where circles intersect is location of the epicenter ...
... • Difference in time P and S waves arrive (lag-time) • Draw circles (radius = distance to epicenter from station) • Point where circles intersect is location of the epicenter ...
Section 17.3 Theory of Plate Tectonics
... ii. ________________deposits in Africa, India, South America, and Australia ...
... ii. ________________deposits in Africa, India, South America, and Australia ...
S waves
... 12. Liquefaction – unconsolidated sediments are saturated with water- earthquakes turn table soil into fluid through this process. 13. Landslide – violent shaking can cause soil and rock on slopes to fail and cause this 14. Crust – thin rocky outer layer of earth 15. Core – center of the earth made ...
... 12. Liquefaction – unconsolidated sediments are saturated with water- earthquakes turn table soil into fluid through this process. 13. Landslide – violent shaking can cause soil and rock on slopes to fail and cause this 14. Crust – thin rocky outer layer of earth 15. Core – center of the earth made ...
Chapter 1 - HCC Learning Web
... • Determining which rocks are older and which are younger. • The geologic time scale was developed through relative dating. • Relative age determinations provide a framework or geologic time scale in which to place events of the geologic past. • Using radiometric dating, actual dates in years have b ...
... • Determining which rocks are older and which are younger. • The geologic time scale was developed through relative dating. • Relative age determinations provide a framework or geologic time scale in which to place events of the geologic past. • Using radiometric dating, actual dates in years have b ...
Earth Science: CST Review , Day #6, Plate Boundaries and Rock
... split into two or more smaller segments. They can develop on the seafloor or on land. What forms?____________ 10. Paleomagnetism is the natural remnant magnetism in rock bodies and provides evidence of tectonic plates. The discovery of strips of alternating polarity, which lie as mirror images acros ...
... split into two or more smaller segments. They can develop on the seafloor or on land. What forms?____________ 10. Paleomagnetism is the natural remnant magnetism in rock bodies and provides evidence of tectonic plates. The discovery of strips of alternating polarity, which lie as mirror images acros ...
Unit 3 Lesson 3 Mountain Formation
... Mountains are created by the constant but very slow movement of the Earth's plates. Math Connection How many kilometre would a plate travel in 100 million years if the plate moves at a rate of 2.5 centimetres per year? (Recall: 1 kilometre = 100,000 cm) 100,000,000 X 2.5 cm = 250,000,000 cm 250,000, ...
... Mountains are created by the constant but very slow movement of the Earth's plates. Math Connection How many kilometre would a plate travel in 100 million years if the plate moves at a rate of 2.5 centimetres per year? (Recall: 1 kilometre = 100,000 cm) 100,000,000 X 2.5 cm = 250,000,000 cm 250,000, ...
Study Guide for Sea-Floor Spreading Test Please know the following
... magnetic poles. The diagram below shows the pattern of normal and reversed magnetic poles as recorded in the rock on either side of the Mid-Atlantic Ridge. How does this show evidence of seafloor spreading? ...
... magnetic poles. The diagram below shows the pattern of normal and reversed magnetic poles as recorded in the rock on either side of the Mid-Atlantic Ridge. How does this show evidence of seafloor spreading? ...
Midterm Review Answers
... The cross section shows earthquakes that occurred beneath line XY on the map. Depth beneath Earths surface is indicated by the scale along the left side of the cross section, as are the range of depths for shallow, intermediate, and deep earthquakes. Distance from the trench is indicated by the scal ...
... The cross section shows earthquakes that occurred beneath line XY on the map. Depth beneath Earths surface is indicated by the scale along the left side of the cross section, as are the range of depths for shallow, intermediate, and deep earthquakes. Distance from the trench is indicated by the scal ...
Plate Boundaries and Faults Notes
... directions relative to the fault surface creating different types of faults. 1. Reverse faults – are caused by convergent plate boundaries and compression forces. The land/plate moves in opposite directions together and gets pushed past its elastic limit causing two things to occur: a. folding-the ...
... directions relative to the fault surface creating different types of faults. 1. Reverse faults – are caused by convergent plate boundaries and compression forces. The land/plate moves in opposite directions together and gets pushed past its elastic limit causing two things to occur: a. folding-the ...
KEY
... Both are orientations of Earth’s magnetic field. Normal fields have the same polarity as today’s field, while reversed fields have the opposite polarity. 4. Explain how an isochron map of the ocean floor supports the theory of seafloor spreading. Isochron map shows the age of the ocean-floor crust i ...
... Both are orientations of Earth’s magnetic field. Normal fields have the same polarity as today’s field, while reversed fields have the opposite polarity. 4. Explain how an isochron map of the ocean floor supports the theory of seafloor spreading. Isochron map shows the age of the ocean-floor crust i ...