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Earth Science Digital Image Library - Conglomerate Millstones

Digital Profile

Earth Science Digital Image Library - Conglomerate Millstones

Grade Levels

10th Grade, 3rd Grade, 4th Grade, 5th Grade, 7th Grade

Course, Subject

Science and Technology and Engineering Education, Science
Related Academic Standards
3.2.3.A2 3.2.3.A2
Recognize that all objects and materials in the world are made of matter.
3.2.3.A5 3.2.3.A5

CONSTANCY AND CHANGE Recognize that everything is made of matter.
3.3.3.A2 3.3.3.A2
Identify the physical properties of minerals and demonstrate how minerals can be tested for these different physical properties.
3.3.4.A1 3.3.4.A1

Describe basic landforms.

Identify the layers of the earth.

Recognize that the surface of the earth changes due to slow processes and rapid processes.
3.3.4.A2 3.3.4.A2

Identify basic properties and uses of Earth’s materials including rocks, soils, water, and gases of the atmosphere.
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Topic

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Economic Geology

Description

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For a time in the 19th century, most of the nation's millstones were cut in the Shawangunk Mountains from the local Shawangunk conglomerate of the Mid-Hudson Valley. Many were shipped via the D & H canal and later by railroad. In 1893, a millstone this large (about 5 feet in diameter) would have cost about $100.

Location

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High Falls, Ulster County, New York

Credits


With support from the Center for Applied Technologies in Education, The Earth Science Digital Image Library is an initiative authored by Russell Agostaro, Newburgh Enlarged City School District, Newburgh, New York.

Description

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The Earth Science Digital Image Library is an archive of quality digital images for teacher and/or student reference in their studies of Earth Science. For additional information about the image, please click on a link below:
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