单词 | rimrock |
释义 | rimrockn. U.S. 1. Protruding bedrock surrounding a gravel deposit or placer. Now rare. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > [noun] > rim-rock rimrock1856 rim1869 rimrock1898 1856 Mining Mag. 6 286 It consists of a very deep basin, the rim rock protruding out of the ground on nearly every side. 1872 R. W. Raymond Statistics Mines & Mining 84 Two small mills of eight stamps each were erected in 1868 and inclines sunk on the rim-rock. 1883 Cent. Mag. Jan. 327/1 In many cases, the rim-rock of the ancient river-bed intervenes between the auriferous deposit and the cañon which the hydraulic miner desires to use as a ‘dump’. 1911 E. S. Bastin Geol. Pegmatites 116 Opposite the mouth of Anaconda Creek..pans taken from the broken rim rock yielded from one-half a cent to 1 cent [of gold] each. 2. In singular and (rare) plural. Rock at the edge of a plateau or other elevated feature, esp. when forming a cliff or precipice at the side of a canyon; the steep side of a canyon.In canyons such rock is often underlain by softer rock which erodes more rapidly, resulting in an overhang.Frequently in place names in the western United States. ΘΚΠ the world > the earth > structure of the earth > constituent materials > rock > [noun] > rim-rock rimrock1856 rim1869 rimrock1898 1898 W. A. Wyckoff Workers viii. 372 It was a long, hard day's pull up the northern side of the mountain to the ‘rimrock’, in deep snow. 1906 C. V. Piper Flora State of Washington 49 The conspicuous basaltic outcroppings along canyons and coulees are locally known as ‘rimrock’. The rimrock flora is in general the same as that of scablands of similar elevation. 1920 K. E. M. Dumbell Seeing the West v. i. 167 Next time you stood on that dizzy rimrock you would probably need good field-glasses..before you could locate that cataract. 1937 W. M. Raine Bucky follows Cold Trail xvii. 187 He had advanced to rout out any enemies who might be crouched in the rimrock. 1976 Billings (Montana) Gaz. 27 June 5 d/8 (advt.) Canyon setting surrounded by the rimrocks, nestled in Spring Valley. 1992 C. McCarthy All Pretty Horses (1993) 225 Noon he sat with his boots dangling over the rimrock and ate the cold chicken and bread she'd fixed for him. 1995 S. Marty Leaning on Wind i. 7 They have gone up to Cougar Notch, a tiny gap in the rimrock beloved by moose, deer, elk and ambushed mountain lions. Compounds General attributive (chiefly in sense 2), as rimrock country, etc. ΚΠ 1892 Logansport (Indiana) Daily Pharos 25 May Bowker prospected a ‘rim-rock’ ledge for gold, but only got a couple of colours. 1910 Sunset Oct. 490 To these hermits in a sea of rimrock hills and sagebrush vales deliverance came out of the deep cañon of the Deschutes. 1915 Salt Lake Tribune 22 Feb. 3/3 He..broke away from the deputy sheriffs who had him in charge, fleeing to his father in the wild rimrock country of San Juan in Utah. 2004 Jrnl. Wildlife Managem. 68 851/2 Leslie Gulch..is a rimrock canyon in the lower Owyhee River in Malheur County of south-eastern Oregon. Derivatives ˈrimrocked adj. characterized by rimrock. ΚΠ 1908 Pacific Monthly Mar. 302 The last long level rays of the sun were lighting up the rim-rocked mountains and the citadel-like rocks that crowned the nearby hilltops. 2000 Columbian (Vancouver, Washington) (Nexis) 17 July c5 It [sc. a railroad] will have some 70 miles of track winding through the rimrocked desert. This entry has been updated (OED Third Edition, June 2010; most recently modified version published online March 2022). > see alsoalso refers to : rim-rockv. < n.1856 see also |
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