P1: Rock identification (I)
... 4 Serpentinite from the lower slope of Croagh Patrick, Co. Mayo age: probably early Ordovician (~490 Ma) Serpentinite is a relatively rare kind of metamorphosed igneous rock. The original rock (protolith) was peridotite, a rock composed mostly of pyroxene and olivine. Peridotite is the main rock in ...
... 4 Serpentinite from the lower slope of Croagh Patrick, Co. Mayo age: probably early Ordovician (~490 Ma) Serpentinite is a relatively rare kind of metamorphosed igneous rock. The original rock (protolith) was peridotite, a rock composed mostly of pyroxene and olivine. Peridotite is the main rock in ...
Rocks and Their Origins
... Texture- size, shape and arrangement of a rocks crystals. • Igneous rocks are classified based on their texture. • Coarse texture- igneous rocks with large crystals. • Fine Grain texture- rocks that have small crystals. • Glassy- rocks that cool so fast they have no specific ...
... Texture- size, shape and arrangement of a rocks crystals. • Igneous rocks are classified based on their texture. • Coarse texture- igneous rocks with large crystals. • Fine Grain texture- rocks that have small crystals. • Glassy- rocks that cool so fast they have no specific ...
Metamorphic
... contact with magma Regional Metamorphism • Regional metamorphism a change in the texture, structure, or chemical composition of a rock due to changes in temperature and pressure over a large area, generally are a result of tectonic forces ...
... contact with magma Regional Metamorphism • Regional metamorphism a change in the texture, structure, or chemical composition of a rock due to changes in temperature and pressure over a large area, generally are a result of tectonic forces ...
Plate Tectonics - Londonderry School District
... Evidence for Plate Tectonics First evidence used for Continental Drift Theory • Continents fit together • Fossil distribution • Common rock formations: same age ...
... Evidence for Plate Tectonics First evidence used for Continental Drift Theory • Continents fit together • Fossil distribution • Common rock formations: same age ...
Word - CDE
... What components of a plant or animal could cease to function and still allow the organism to survive? What components of a plant or animal could cease to function that would cause the organism to die? What adaptations or characteristics help humans to ...
... What components of a plant or animal could cease to function and still allow the organism to survive? What components of a plant or animal could cease to function that would cause the organism to die? What adaptations or characteristics help humans to ...
The Rock Cycle - Salt Lake City School District
... There are many ways to show the various relationships between the rocks and the related natural processes. ...
... There are many ways to show the various relationships between the rocks and the related natural processes. ...
Course Syllabus Spring 2008
... Geologists and other scientists use the geological time scale to describe the timing and relationships between events that have occurred during the history of Earth. The table of geologic periods presented here agrees with the dates and nomenclature proposed by the International Commission on Strati ...
... Geologists and other scientists use the geological time scale to describe the timing and relationships between events that have occurred during the history of Earth. The table of geologic periods presented here agrees with the dates and nomenclature proposed by the International Commission on Strati ...
plate tectonics
... – How can the two hypotheses be explained? • In the 1960’s, geologists developed a new theory to explain the apparent movement of the continents. • The theory of plate tectonics suggests that Earth’s crust and upper mantle are broken into sections called plates (that move). • But, what are they made ...
... – How can the two hypotheses be explained? • In the 1960’s, geologists developed a new theory to explain the apparent movement of the continents. • The theory of plate tectonics suggests that Earth’s crust and upper mantle are broken into sections called plates (that move). • But, what are they made ...
Convection Currents
... spreading apart. Students mapped part of this boundary when then plotted the eastern boundary of the South American plate in Activity 44, “Mapping Plates.” You may want to discuss the computer simulation as a model by identifying some of its strengths and weaknesses. For example, one strength of the ...
... spreading apart. Students mapped part of this boundary when then plotted the eastern boundary of the South American plate in Activity 44, “Mapping Plates.” You may want to discuss the computer simulation as a model by identifying some of its strengths and weaknesses. For example, one strength of the ...
Basin Analysis - Louisiana State University
... (c) type of plate margin nearest the basin i.e., convergent, divergent, conservative (similar to Bally and Snelson, 1980) Other factors used are: hydrocarbon characteristics, types of sedimentary sequences filling the basin, and the tectonics that modify the sediment infill If on the other hand one ...
... (c) type of plate margin nearest the basin i.e., convergent, divergent, conservative (similar to Bally and Snelson, 1980) Other factors used are: hydrocarbon characteristics, types of sedimentary sequences filling the basin, and the tectonics that modify the sediment infill If on the other hand one ...
ASTR 330: The Solar System
... • Until the 1960s, geologists mostly believed that the continents had remained in the same positions since the Earth formed. • The first serious challenge to this notion came from Alfred Wegener (1880-1930) who noticed reports of identical fossils found on either side of oceans: such as Africa and S ...
... • Until the 1960s, geologists mostly believed that the continents had remained in the same positions since the Earth formed. • The first serious challenge to this notion came from Alfred Wegener (1880-1930) who noticed reports of identical fossils found on either side of oceans: such as Africa and S ...
Plates
... Reptile is called Lystrosauris. He also found the same type of rock on the two coasts. ...
... Reptile is called Lystrosauris. He also found the same type of rock on the two coasts. ...
ES Plate Tectonicv2
... Magma pushes through the midocean ridge, causing the tectonic plates to move farther away from each other; this forms new ocean floor ...
... Magma pushes through the midocean ridge, causing the tectonic plates to move farther away from each other; this forms new ocean floor ...
The Emperor and Hawaiian Volcanic Chains
... For about 20 years there has been no serious challenge to the deep thermal mantle plume hypothesis for the Hawaiian and Emperor chains, despite the fact that many features do not conform to this hypothesis. These include: 1. The great “bend”, near the Mendocino fracture zone, where the Emperor seamo ...
... For about 20 years there has been no serious challenge to the deep thermal mantle plume hypothesis for the Hawaiian and Emperor chains, despite the fact that many features do not conform to this hypothesis. These include: 1. The great “bend”, near the Mendocino fracture zone, where the Emperor seamo ...
Plate Boundaries
... Earth is broken into various plates. These plates drift on the asthenosphere at very slow rates. As plates move away from each other the lithosphere thins and tears. At these divergent plate boundaries new oceanic lithosphere is created in the gaps from upwelling magma from the mantle. This upwellin ...
... Earth is broken into various plates. These plates drift on the asthenosphere at very slow rates. As plates move away from each other the lithosphere thins and tears. At these divergent plate boundaries new oceanic lithosphere is created in the gaps from upwelling magma from the mantle. This upwellin ...
Chapter 10 - Continents
... ● cooling and heating of lithosphere ● weight of accumulating sediments or glacial ice ...
... ● cooling and heating of lithosphere ● weight of accumulating sediments or glacial ice ...
1. What evidence did Alfred Wagner use to support his theory of
... 8. Explain what plate tectonics and ocean trenches have in common? Plate tectonic and ocean trenches have in common the process that takes place at convergent boundaries by which one tectonic plate moves under another tectonic plate called seduction. 9. How old are the rocks off the east coast of No ...
... 8. Explain what plate tectonics and ocean trenches have in common? Plate tectonic and ocean trenches have in common the process that takes place at convergent boundaries by which one tectonic plate moves under another tectonic plate called seduction. 9. How old are the rocks off the east coast of No ...
Classifying Igneous Rock
... than sand-sized and, under rare circumstances, may be larger than a penny. If the melted rock materials cooled near or even on the earth’s surface, the resulting rocks are called extrusive igneous rocks. If extrusive igneous rocks have crystals, they are smaller than sand-sized. However, some extrus ...
... than sand-sized and, under rare circumstances, may be larger than a penny. If the melted rock materials cooled near or even on the earth’s surface, the resulting rocks are called extrusive igneous rocks. If extrusive igneous rocks have crystals, they are smaller than sand-sized. However, some extrus ...
Earth Forces - Jordanhill School
... 5. It is likely that the U.K will have an earthquake in the next 100 years? 6. The earths core is solid? 7. Some of the worlds islands are made up entirely from volcanic rock? 8. There are over 500 volcanoes in the world? 9. The Haiti earthquake was the biggest ever in ...
... 5. It is likely that the U.K will have an earthquake in the next 100 years? 6. The earths core is solid? 7. Some of the worlds islands are made up entirely from volcanic rock? 8. There are over 500 volcanoes in the world? 9. The Haiti earthquake was the biggest ever in ...
HS Earth and Space Science Alignment
... ESS1.A The Universe and Its Stars PS4.B Electromagnetic Radiation HS-ESS1-2 Construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies, and composition of matter in the universe. ...
... ESS1.A The Universe and Its Stars PS4.B Electromagnetic Radiation HS-ESS1-2 Construct an explanation of the Big Bang theory based on astronomical evidence of light spectra, motion of distant galaxies, and composition of matter in the universe. ...
ROCKS and how to identify them
... “born of fire”. In other words, they were once molten and upon cooling, the magma (molten rock) crystallized into solid rock. Igneous rocks may form deep inside the Earth or at the Earth’s surface when a volcano erupts. ...
... “born of fire”. In other words, they were once molten and upon cooling, the magma (molten rock) crystallized into solid rock. Igneous rocks may form deep inside the Earth or at the Earth’s surface when a volcano erupts. ...
Earth and the Moon
... the cooling of magma. Magma is an extremely hot liquid melt of natural minerals. Magma forms from the melting of rock below the Earth's surface. Sometimes the magma cools below the Earth's surface. Granite is formed when magma cools this way. Most mountains are made from granite. Other times, magma ...
... the cooling of magma. Magma is an extremely hot liquid melt of natural minerals. Magma forms from the melting of rock below the Earth's surface. Sometimes the magma cools below the Earth's surface. Granite is formed when magma cools this way. Most mountains are made from granite. Other times, magma ...
Project-Based Inquiry Science: Ever
... Students use real time data sets to find patterns of volcanic activity in their region. They analyze their findings to build a relationship between volcanoes and earthquakes and plate boundaries. Students share their findings with the class adding new evidence to support their understanding of the l ...
... Students use real time data sets to find patterns of volcanic activity in their region. They analyze their findings to build a relationship between volcanoes and earthquakes and plate boundaries. Students share their findings with the class adding new evidence to support their understanding of the l ...
No Slide Title
... – that are 3.8 billion years old – convince some investigators that organisms were present then ...
... – that are 3.8 billion years old – convince some investigators that organisms were present then ...
Age of the Earth
The age of the Earth is 4.54 ± 0.05 billion years (4.54 × 109 years ± 1%). This age is based on evidence from radiometric age dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.Following the development of radiometric age dating in the early 20th century, measurements of lead in uranium-rich minerals showed that some were in excess of a billion years old.The oldest such minerals analyzed to date—small crystals of zircon from the Jack Hills of Western Australia—are at least 4.404 billion years old. Comparing the mass and luminosity of the Sun to those of other stars, it appears that the Solar System cannot be much older than those rocks. Calcium-aluminium-rich inclusions – the oldest known solid constituents within meteorites that are formed within the Solar System – are 4.567 billion years old, giving an age for the solar system and an upper limit for the age of Earth.It is hypothesised that the accretion of Earth began soon after the formation of the calcium-aluminium-rich inclusions and the meteorites. Because the exact amount of time this accretion process took is not yet known, and the predictions from different accretion models range from a few millions up to about 100 million years, the exact age of Earth is difficult to determine. It is also difficult to determine the exact age of the oldest rocks on Earth, exposed at the surface, as they are aggregates of minerals of possibly different ages.