boulder


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Boulder,

city (1990 pop. 83,312), seat of Boulder co., N central Colo.; inc. 1871. A Rocky Mountain resort and a suburb of Denver, it is the seat of the Univ. of Colorado (1876). Industries include aerospace and biological research; the manufacture of machinery, electric, electronic, and computer equipment, and medical supplies; and software development. Boulder is home to the National Center for Atmospheric Research and other government and private research operations and is known as a mountain sports and "New Age" mecca.

boulder,

large rock fragment formed by detachment from its parent consolidated rock by weathering and erosion. In engineering and geology, especially in the United States, the term is applied to loose rocks having specific sizes according to various systems of classification, i.e. the Wentworth scale (for C. K. Wentworth, American geologist), where a boulder has one linear dimension of at least 10.1 in. (25.4 cm). Boulders transported by glacial ice are usually referred to as glacial erratics; glacial boulder fields, or felsenmeer, containing large blocks of angular rock broken from intense frost action are evidence that the region has experienced glacial action in the past. See driftdrift,
deposit of mixed clay, gravel, sand, and boulders transported and laid down by glaciers. Stratified, or glaciofluvial, drift is carried by waters flowing from the melting ice of a glacier.
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; morainemoraine
, a formation composed of unsorted and unbedded rock and soil debris called till, which was deposited by a glacier. The till that falls on the sides of a valley glacier from the bounding cliffs makes up lateral moraines, running parallel to the valley sides.
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boulder

[′bōl·dər]
(geology)
A worn rock with a diameter exceeding 256 millimeters. Also spelled bowlder.

boulder

A naturally rounded rock fragment larger than 10 in. (25 cm) in diameter; used for crude walls and foundations, generally in mortar.

boulder

1. a smooth rounded mass of rock that has a diameter greater than 25cm and that has been shaped by erosion and transported by ice or water from its original position
2. Geology a rock fragment with a diameter greater than 256 mm and thus bigger than a cobble
References in periodicals archive ?
com, the most comprehensive digital guide to beautiful Boulder, written exclusively by locals, including: Aimee Heckel, a longtime Boulder Daily Camera columnist and nationally known travel writer; Cindy Sutter, former food editor at the Daily Camera, and utilizing the work of talented Boulder photographers Ann Duncan and Emily Taylor.
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Harald attended the University of Colorado at Boulder as an undergraduate and went to the University of Washington for urban planning.
A graduate of the University of Colorado in Boulder with a bachelor's degree in communications, Lewellen has four years of experience with the Boulder Chamber of Commerce.
To its credit, UC Boulder was quick to address the situation, avoiding some of the confusing PR missteps that initially characterized its response to Last year's sex assault/sports scandal.
Visiting with a number of choreographers in the Denver and Boulder areas, it became apparent to me that the single most important concern is the lamentable state of funding for dance.
David Korevaar, University of Colorado at Boulder, College of Music, Campus Box 301, Boulder, CO 80309-0301; (303) 492-6256; korevaar@stripe.
The boulder darter was first seen in the Elk River drainage in 1891 and has never been found in any other river.
The early eruption of trees along the fast-developing urban belt that runs from Fort Collins in the north through Boulder and Denver to Colorado Springs in the south--a distance of 100 miles--was not formally planned.
52- 99) outlining the database program is available from Sarabeth Harris, MC 104, NIST, Boulder, Colo.
But this crater lies on the opposite face of the asteroid from the boulder concentration.
Even though Boulder is famous for having more coders per capita than anywhere in the world, our early-stage companies are feeling the pinch.