Plate Tectonics - maxwellsciencenfhs
... energy come from? • Proposes that continents move through oceanic crust – but geological features do not support this (the oceanic crust would deform). • Doesn’t account for the erosion of coastlines that must have occurred over 250,000 years. ...
... energy come from? • Proposes that continents move through oceanic crust – but geological features do not support this (the oceanic crust would deform). • Doesn’t account for the erosion of coastlines that must have occurred over 250,000 years. ...
The Solid Earth - cloudfront.net
... impact events melted the entire planet, from which it is still cooling today. During this early melt phase, denser materials like iron (Fe) and nickel (Ni) sank into the core of the Earth, while lighter silicate (Si) and oxygen (O) compounds and volatile gases rose toward the surface. The earth is d ...
... impact events melted the entire planet, from which it is still cooling today. During this early melt phase, denser materials like iron (Fe) and nickel (Ni) sank into the core of the Earth, while lighter silicate (Si) and oxygen (O) compounds and volatile gases rose toward the surface. The earth is d ...
KEY
... B. convection in the asthenosphere C. convection in the lithosphere D. polar wandering 13. Studies of past plate motions indicate that A. any two adjacent plates must move in the same direction, to avoid plates breaking up B. once they begin to move, plates always continue to move in the same direct ...
... B. convection in the asthenosphere C. convection in the lithosphere D. polar wandering 13. Studies of past plate motions indicate that A. any two adjacent plates must move in the same direction, to avoid plates breaking up B. once they begin to move, plates always continue to move in the same direct ...
Slide 1
... Crust – we know most about it; continental crust is less dense Moho – a density discontinuity that separates crust from the mantle – Depth varies under continents and oceans – First thought that this was layer where crust moved relative to earth’s interior BUT, outer layer of mantle moves with c ...
... Crust – we know most about it; continental crust is less dense Moho – a density discontinuity that separates crust from the mantle – Depth varies under continents and oceans – First thought that this was layer where crust moved relative to earth’s interior BUT, outer layer of mantle moves with c ...
to Ch. 10 Notes
... The greatest volume of volcanic rock is produced along the oceanic ridge system. • _________________pulls apart. • Less pressure on underlying rocks • Partial _________________________occurs • Large quantities of fluid basaltic magma are produced. Intraplate Igneous Activity Intraplate volcanism ...
... The greatest volume of volcanic rock is produced along the oceanic ridge system. • _________________pulls apart. • Less pressure on underlying rocks • Partial _________________________occurs • Large quantities of fluid basaltic magma are produced. Intraplate Igneous Activity Intraplate volcanism ...
Remnants of early Earth differentiation in today`s Earth
... Nd displays small nucleosynthetic anomalies in C-chondrites at the whole rock scale. CM are s-process depleted, CI are sprocess enriched. Both have negative 142Nd anomalies compared to Earth. Angrites, with no measureable Mo isotope anomaly have m142Nd = +3 (NWA 4590), -7 (NWA 4801) and +3 (D’Orbign ...
... Nd displays small nucleosynthetic anomalies in C-chondrites at the whole rock scale. CM are s-process depleted, CI are sprocess enriched. Both have negative 142Nd anomalies compared to Earth. Angrites, with no measureable Mo isotope anomaly have m142Nd = +3 (NWA 4590), -7 (NWA 4801) and +3 (D’Orbign ...
Physical Lecture 3 Fall 2012
... 19. Old oceanic plate material typically produces a ? subduction zone than younger oceanic plate material. A.less steep B.steeper 20. The oldest ocean rocks preserved on the ocean floor are about ? years old. A.100 million B.200 million C.540 million D.1 billion E.4.4 billion 21. Earth magnetism is ...
... 19. Old oceanic plate material typically produces a ? subduction zone than younger oceanic plate material. A.less steep B.steeper 20. The oldest ocean rocks preserved on the ocean floor are about ? years old. A.100 million B.200 million C.540 million D.1 billion E.4.4 billion 21. Earth magnetism is ...
Faults brochure Een revised 9
... • A fault is a large crack in the Earth's crust where one part of the crust has moved against another part. This movement means that faults prove the Earth is an active place. They are signs of powerful forces deep underground. ...
... • A fault is a large crack in the Earth's crust where one part of the crust has moved against another part. This movement means that faults prove the Earth is an active place. They are signs of powerful forces deep underground. ...
Bio 126 Introduction to Geology
... Earth’s Layers- Outside Core are the Mantle layers: • Solid Mantle layer –lower mantle mostly solid about 1,740 miles thick • Outer Mantle divided into two layers – Asthenosphere - Outer molten layer of mantle is “plastic consistency” silicate materialcontinents float on this layer – Lithosphere- R ...
... Earth’s Layers- Outside Core are the Mantle layers: • Solid Mantle layer –lower mantle mostly solid about 1,740 miles thick • Outer Mantle divided into two layers – Asthenosphere - Outer molten layer of mantle is “plastic consistency” silicate materialcontinents float on this layer – Lithosphere- R ...
Metamorphic Rocks - Illinois State University
... 9. May have been originally been a metamorphic rock 10.Form at temperatures above 200 oC 11.May underlie several adjacent states ...
... 9. May have been originally been a metamorphic rock 10.Form at temperatures above 200 oC 11.May underlie several adjacent states ...
Plate Tectonics Part 1-maybe Jan 29
... The crust and upper mantle is made up of plates. The crust and upper mantle is called the lithosphere Scientists believe that the plates move about 2 inches per year. The lithosphere is broken into giant plates that fit around the globe like puzzle pieces. they slide on top of a somewhat fluid part ...
... The crust and upper mantle is made up of plates. The crust and upper mantle is called the lithosphere Scientists believe that the plates move about 2 inches per year. The lithosphere is broken into giant plates that fit around the globe like puzzle pieces. they slide on top of a somewhat fluid part ...
File - Sturgeon City
... The inner core is made up of iron and nickel just like the outer core. However, since it is so deep within the earth it is under immense pressure. Even though it is just as hot as the outer core, the pressure causes the iron an nickel to remain solid. The inner core is the hottest part of the earth ...
... The inner core is made up of iron and nickel just like the outer core. However, since it is so deep within the earth it is under immense pressure. Even though it is just as hot as the outer core, the pressure causes the iron an nickel to remain solid. The inner core is the hottest part of the earth ...
PlateTec1617 - Biloxi Public Schools
... plate located beneath a plate remains in one place as plate above it moves creates chain of small volcanoes no longer active when not over the hot spot Hawaiian Islands--different ages of islands a wave of energy that travels away from the center of an earthquake in all directions increase going int ...
... plate located beneath a plate remains in one place as plate above it moves creates chain of small volcanoes no longer active when not over the hot spot Hawaiian Islands--different ages of islands a wave of energy that travels away from the center of an earthquake in all directions increase going int ...
VOYAGE OF THE CONTINENTS AFRICA ORIGINS Script
... The rock that we see here, are sediments. quartzites to be exact. Quartzites like these are coming throughout the world. In a normal sense, sediments and Quartzites, generally formed in layers, horizontal layers. Normally these sediments rest on basement rocks such as granites. And the granites norm ...
... The rock that we see here, are sediments. quartzites to be exact. Quartzites like these are coming throughout the world. In a normal sense, sediments and Quartzites, generally formed in layers, horizontal layers. Normally these sediments rest on basement rocks such as granites. And the granites norm ...
Chapter 26 - Planet Earth
... – A measure of the time available for finding the solutions to depletion of nonrenewable resources – R = known reserves – C = rate of consumption – provides a view on how scarce a particular mineral resource may be – small ratios: short supply; find substitutes through technological innovations ...
... – A measure of the time available for finding the solutions to depletion of nonrenewable resources – R = known reserves – C = rate of consumption – provides a view on how scarce a particular mineral resource may be – small ratios: short supply; find substitutes through technological innovations ...
Lecture W12-W13-L28
... (basanites, nephelinites and phonolites). Intermediate do exist but are not that common: an effect of the thermal divide between strongly alkaline and sub- to mildly alkaline series? The saturated series is strongly bimodal (“Daly gap”) with few intermediate terms. Several ...
... (basanites, nephelinites and phonolites). Intermediate do exist but are not that common: an effect of the thermal divide between strongly alkaline and sub- to mildly alkaline series? The saturated series is strongly bimodal (“Daly gap”) with few intermediate terms. Several ...
Continental Drift - CoconinoHighSchool
... Continental crust. It is constantly being formed and destroyed at ocean ridges and trenches. 3. Continental crust can carry on beyond the edges of the land and finally end far below the sea. This explains why the edges of all the continents don't have deep trenches right up against their coastlines. ...
... Continental crust. It is constantly being formed and destroyed at ocean ridges and trenches. 3. Continental crust can carry on beyond the edges of the land and finally end far below the sea. This explains why the edges of all the continents don't have deep trenches right up against their coastlines. ...
Layers of the Earth Investigation 2
... Our Earth is much more complex than just a large mass of soil and rock. The Earth definitely includes soil and rock, but beneath the Earth’s solid surface, it’s quite different. Research shows that Earth is made of several materials arranged in different layers. The deeper you travel into Earth temp ...
... Our Earth is much more complex than just a large mass of soil and rock. The Earth definitely includes soil and rock, but beneath the Earth’s solid surface, it’s quite different. Research shows that Earth is made of several materials arranged in different layers. The deeper you travel into Earth temp ...
earth
... The Rock Cycle • Three types of rock found in the crust are: – Igneous: cooled magma/lava – Sedimentary: particles deposited by water flow. Organic/inorganic matter (fossils) – Metamorphic: as layers build up, this rock is formed when pressure and heat become great enough to change the rock chemi ...
... The Rock Cycle • Three types of rock found in the crust are: – Igneous: cooled magma/lava – Sedimentary: particles deposited by water flow. Organic/inorganic matter (fossils) – Metamorphic: as layers build up, this rock is formed when pressure and heat become great enough to change the rock chemi ...
Continental Drift
... Continental crust. It is constantly being formed and destroyed at ocean ridges and trenches. 3. Continental crust can carry on beyond the edges of the land and finally end far below the sea. This explains why the edges of all the continents don't have deep trenches right up against their coastlines. ...
... Continental crust. It is constantly being formed and destroyed at ocean ridges and trenches. 3. Continental crust can carry on beyond the edges of the land and finally end far below the sea. This explains why the edges of all the continents don't have deep trenches right up against their coastlines. ...
Earth Science Outline What is Earth Science? Branches Geology
... c. Sea level iii. Composing material – resistant minerals remaining after erosion 1. Rocks and pebbles 2. Sand b. Processes affecting beaches i. Waves ii. Currents 1. Longshore drift (Figure 4) 2. Gravity currents (Figure 5) 3. Rip currents (Figure 6) iii. Tides (Figure 8) 1. Predictable rise and fa ...
... c. Sea level iii. Composing material – resistant minerals remaining after erosion 1. Rocks and pebbles 2. Sand b. Processes affecting beaches i. Waves ii. Currents 1. Longshore drift (Figure 4) 2. Gravity currents (Figure 5) 3. Rip currents (Figure 6) iii. Tides (Figure 8) 1. Predictable rise and fa ...