Rock Webquest
... Explore the Rock Creations area to complete each section. For thousands, even millions of years, little pieces of our earth have been eroded-- broken down and worn away by __________ and __________. These little bits of our earth are washed downstream where they settle to the bottom of the _________ ...
... Explore the Rock Creations area to complete each section. For thousands, even millions of years, little pieces of our earth have been eroded-- broken down and worn away by __________ and __________. These little bits of our earth are washed downstream where they settle to the bottom of the _________ ...
II. Subduction-related granites: “Andean” I
... 1. Major elements Alkaline, peralkaline (not that the two terms do not have the same values, one refers to a magmatic series, the other to a position in A/CNK vs. A/NK diagrams). Low K/Na, low Mg/Mg+Fe 2. Trace elements Rich in LREE (10-100 times more than I and S types !). Some huge depletions and ...
... 1. Major elements Alkaline, peralkaline (not that the two terms do not have the same values, one refers to a magmatic series, the other to a position in A/CNK vs. A/NK diagrams). Low K/Na, low Mg/Mg+Fe 2. Trace elements Rich in LREE (10-100 times more than I and S types !). Some huge depletions and ...
Rock Formations: How Igneous, Sedimentary, and Metamorphic
... Magma can result from the melting of existing rocks in the Earth’s mantle or crust. This melting usually occurs when there is an increase in temperature, a decrease in pressure, or a change in composition. Igneous rocks can be either intrusive (forming below the Earth’s surface) or extrusive (formin ...
... Magma can result from the melting of existing rocks in the Earth’s mantle or crust. This melting usually occurs when there is an increase in temperature, a decrease in pressure, or a change in composition. Igneous rocks can be either intrusive (forming below the Earth’s surface) or extrusive (formin ...
GEOLOGY EXAM IS ___Weds. 11/28
... _________________ 9. Minerals that form irregular surfaces when they break apart have a property called cleavage. ...
... _________________ 9. Minerals that form irregular surfaces when they break apart have a property called cleavage. ...
Plate Tectonics
... ◦ Oldest rocks were found closest to the shoreline, youngest nearest the ridge ◦ Therefore: The ridge is producing new oceanic crust while older crust is being pushed toward the shoreline ...
... ◦ Oldest rocks were found closest to the shoreline, youngest nearest the ridge ◦ Therefore: The ridge is producing new oceanic crust while older crust is being pushed toward the shoreline ...
Background Information for Plate Tectonics Rock Formation
... water or wind carrying it. These deposits may include shells, bones, leaves, stems, and other remains of living things. Compaction is the process that presses sediments together. As more and more sediment falls on top, creating new layers, the weight of the layers squeezes the sediments tightly to ...
... water or wind carrying it. These deposits may include shells, bones, leaves, stems, and other remains of living things. Compaction is the process that presses sediments together. As more and more sediment falls on top, creating new layers, the weight of the layers squeezes the sediments tightly to ...
The evolution of Life in the History of Earth
... Life on a Changing Earth Life is a continuum - from the earliest organisms to the great variety of species that exist today • Geological events change the course of biological evolution • Conversely, life changes the planet that it inhabits ...
... Life on a Changing Earth Life is a continuum - from the earliest organisms to the great variety of species that exist today • Geological events change the course of biological evolution • Conversely, life changes the planet that it inhabits ...
The theory of plate tectonics
... The Geological Timescale • The earth is 4600 million year • Only the last 570 million years are well documented as this is when life became abundant ...
... The Geological Timescale • The earth is 4600 million year • Only the last 570 million years are well documented as this is when life became abundant ...
APES Focus/Ch - cynthiaahmed
... 12. Igneous rocks are those formed directly from magma. They are classified as basaltic or granitic, and by their mode of formation as extensive or intrusive. Explain each of these terms. ...
... 12. Igneous rocks are those formed directly from magma. They are classified as basaltic or granitic, and by their mode of formation as extensive or intrusive. Explain each of these terms. ...
Seafloor Ages ABC - SERC
... Seafloor Ages Part 1: Divergent Boundary A divergent boundary in the center of an ocean is shown below with arrows showing the direction the crust is moving. 1) Where is the oldest crust found? A ...
... Seafloor Ages Part 1: Divergent Boundary A divergent boundary in the center of an ocean is shown below with arrows showing the direction the crust is moving. 1) Where is the oldest crust found? A ...
Earth Science Introduction
... 1 Second = 1 Year • 35 minutes to birth of Christ • 1 hour+ to pyramids • 3 hours to retreat of glaciers from Wisconsin • 12 days = 1 million years • 2 years to extinction of dinosaurs • 14 years to age of Niagara Escarpment • 31 years = 1 billion years ...
... 1 Second = 1 Year • 35 minutes to birth of Christ • 1 hour+ to pyramids • 3 hours to retreat of glaciers from Wisconsin • 12 days = 1 million years • 2 years to extinction of dinosaurs • 14 years to age of Niagara Escarpment • 31 years = 1 billion years ...
A Head
... happen near the oceanic trenches. 11 The Himalaya mountains are growing taller by about 5 mm each year. 12 Surveys of the ocean floor show tat there are very long mountain ridges beneath the oceans. 13 Rock samples have been taken from the ocean floor. These show that the rocks are much younger near ...
... happen near the oceanic trenches. 11 The Himalaya mountains are growing taller by about 5 mm each year. 12 Surveys of the ocean floor show tat there are very long mountain ridges beneath the oceans. 13 Rock samples have been taken from the ocean floor. These show that the rocks are much younger near ...
rock cycle_pangea - Northside Middle School
... Many forces cause the surface of the Earth to change over time. However, the largest force that changes our planet’s surface is the movement of Earth's outer layer through the process of plate tectonics. This process causes mountains to push higher and oceans to grow wider. ...
... Many forces cause the surface of the Earth to change over time. However, the largest force that changes our planet’s surface is the movement of Earth's outer layer through the process of plate tectonics. This process causes mountains to push higher and oceans to grow wider. ...
platetect
... >>>> Notice that as we travel vertically the amount of quartz in the rock increases, and at the 90% boundary and above the rock has so much quartz the rock becomes a "quartz something", such as a quartz sandstone or quartz conglomerate. >>>> The lower two fields contain rocks that are felspar (red) ...
... >>>> Notice that as we travel vertically the amount of quartz in the rock increases, and at the 90% boundary and above the rock has so much quartz the rock becomes a "quartz something", such as a quartz sandstone or quartz conglomerate. >>>> The lower two fields contain rocks that are felspar (red) ...
Classifying rocks
... _______________ is most common (on ocean floor) Intrusive Rock: forms from magma __________ Earth’s surface _______________ is the most abundant o Texture: depends on _______________ and shape of mineral crystals Small crystals: Lava cools _______________ _______________ rock o ___________ ...
... _______________ is most common (on ocean floor) Intrusive Rock: forms from magma __________ Earth’s surface _______________ is the most abundant o Texture: depends on _______________ and shape of mineral crystals Small crystals: Lava cools _______________ _______________ rock o ___________ ...
Igneous Rock PPT - Effingham County Schools
... Molten rock with lower amounts of silica flows faster than molten rock with higher amounts of silica. ...
... Molten rock with lower amounts of silica flows faster than molten rock with higher amounts of silica. ...
Chapter 8 Notes
... • Sedimentary Rocks a. form from sediments being compressed by other overlying sediments b. typically uniform in composition c. sink for phosphorus d. fossil record ...
... • Sedimentary Rocks a. form from sediments being compressed by other overlying sediments b. typically uniform in composition c. sink for phosphorus d. fossil record ...
