 | American Geographical Society of New York - Electronic journals - 1908 - 836 pages
...of the miner and prospector in this region. This classification of the placers is given on p. 142: Creek placers: Gravel deposits in the beds and intermediate...stream channels and flood plains which stand from fifty to several hundred feet above the present streams. Hillside placers: A group of gravel deposits... | |
 | Sidney Paige, Adolph Knopf - Geology - 1907 - 614 pages
.../'riihixiitfi. Creek placers: Gravel deposits in the beds and intermediate flood plums of small streams. Hench placers : Gravel deposits in ancient stream channels...intermediate between the creek and bench placers. Their bet! rock is slightly alx>ve the creek bed and the surface topography shows no indication of benching.... | |
 | 1910 - 538 pages
...largely on the basis of the present position of the deposits. Classification of placer deposits (Brooks) Creek placers. — Gravel deposits in the beds and intermediate flood plains of small streams (fig. 1). Bench placers. — Gravel deposits in ancient stream channels and flood plains that stand... | |
 | Charles Henry Richardson - Geology, Economic - 1913 - 346 pages
...(1) Creek Placers: Gravel deposits in the beds and intermediate flood plains of small streams. (2) Bench Placers: Gravel deposits in ancient stream channels...to several hundred feet above the present streams. (3) Hillside Placers: A group of gravel deposits intermediate between the creek and bench placers.... | |
 | Charles Henry Richardson - Geology, Economic - 1913 - 340 pages
...delta. AJ Collier and FL Hess give the following classification of the placers in Seward Peninsula: (1) Creek Placers: Gravel deposits in the beds and intermediate flood plains of small streams. (2) Bench Placers: Gravel deposits in ancient stream channels and flood plains which stand from 50... | |
 | Mines and mineral resources - 1927 - 256 pages
...of erosion before its final deposition. Brooks gives a classification,9 based on form, as follows : Creek placers. — Gravel deposits in the beds and...intermediate between the creek and bench placers. Their bedrock is slightly above the creek bed, and the surface topography shows no indication of benching.... | |
 | 1932 - 178 pages
...a final resting place. CLASSIFICATION Placer deposits have been classified by Brooks 1 as follows : Creek placers. — Gravel deposits in the beds and...to several hundred feet above the present streams. 1 Brooks, AH, Outline of Economic Geology ; The Gold Placers of Parts of Seward Peninsula : US Geol.... | |
 | Charles Freeman Jackson, Joseph Harold Hedges - Mining engineering - 1939 - 540 pages
...largely on the basis of the present position of the deposits. Classification of placer deposits (Hrooks) Creek placers. — Gravel deposits in the beds and intermediate flood plains of small streams (fig. 1). Bench placers. — Gravel deposits in ancient stream channels and flood plaiM that stand... | |
 | Geology - 1949 - 1012 pages
...streams. Piciich placers: Crave! de|H>sits in ancient stream channels and flood plains which stand from 5O to several hundred feet above the present streams. Hillside placers: A group of gravel dejiosits intermediate Itetweon the creek and bench placers. Their bed rock is slightly al>ove the... | |
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Creek placers : Gravel deposits in the beds and intermediate flood plains of small streams. Bench placers : Gravel deposits in ancient stream channels and flood plains which stand from 50 to several hundred feet above the present streams. 