Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Books Books 1 - 9 of 9 on ... down in some cases. The partial concentration of monazite in the top layer of....
" ... down in some cases. The partial concentration of monazite in the top layer of soil is caused by the washing away of the clay and other light decomposition products of the rock. The supply of monazite in the stream gravels in favorable areas is often... "
Contributions to Economic Geology, 1907: Metals and nonmetals, except fuels - Page 280
by Waldemar Lindgren, Marius Robinson Campbell, Charles Willard Hayes - 1908
Full view - About this book

Congressional Serial Set

United States - 1908
...gentle slopes below a steeper hillside it may contain a quantity of monazite to a depth of several feet. The partial concentration of monazite in the top layer...replenished by the wash from the hillside soils during heavv rains. This occurs especially where the hills have any considerable slope and the land is cultivated....
Full view - About this book

Mineral Resources of the United States, Part 2

United States. Bureau of Mines - Mineral industries - 1908
...gentle slopes below a steeper hillside it may contain a quantity of monazite to a depth of several feet. The partial concentration of monazite in the top layer...replenished by the wash from the hillside soils during heavy rains. This occurs especially where the hills have any considerable slope and the land is cultivated....
Full view - About this book

Transactions of the American Institute of Mining, Metallurgical ..., Volume 40

Mineral industries - 1910
...collected on the gentle slopes below a steeper hill-side, several feet can be sluiced down in some cases. The partial concentration of monazite in the top layer...caused by the washing away of the clay and other light decomposition-products of the rock. The supply of monazite iu the stream-gravels in favorable areas...
Full view - About this book

Bulletin, Issues 24-25

North Carolina. Division of Mineral Resources - Geology - 1915
...gentle slopes below a steeper hillside, it has been found profitable to sluice down in some cases. The partial concentration of monazite in the top layer...by the wash from the hillside soils during rains, especially where the hills have any considerable slope and the land is cultivated. Under such conditions...
Full view - About this book

Bulletin, Issue 25

Forests and forestry - 1916
...gentle slopes below a steeper hillside, it has been found profitable to sluice down in some cases. The partial concentration of monazite in the top layer...by the wash from the hillside soils during rains, especially where the hills have any considerable slope and the land is cultivated. Under such conditions...
Full view - About this book

Mining and Metallurgy: Published Monthly by the American ..., Issues 25-36

Mineral industries - 1909
...collected on the gentle slopes below a steeper hill-side, several feet can be sluiced down in some cases. The partial concentration of monazite in the top layer of soil is caused by the washiug away of the clay and other light decomposition-products of the rock. The supply of monazite...
Full view - About this book

Journal of the Elisha Mitchell Scientific Society, Volume 24

Elisha Mitchell Scientific Society (Chapel Hill, N.C.) - Natural history - 1908
...collected on the gentle slopes below a steeper hillside several feet can be sluiced down in some cases. The partial concentration of monazite in the top layer...replenished by the wash from the hillside soils during rains ; especially where the hills have any considerable slope and the land is cultivated. Under such conditions...
Full view - About this book

Mining and Metallurgy, Volumes 25-30

Mineral industries - 1909
...collected on the gentle slopes below a steeper hill-side, several feet can be sluiced down in some cases. The partial concentration of monazite in the top layer...caused by the washing away of the clay and other light decoraposition-products of the rock. The supply of monazite in the stream-gravels in favorable areas...
Full view - About this book

Mining and Metallurgy, Issues 25-30

Mineral industries - 1909
...clay and other light decomposition-products of the rock. The supply of monazite in the stream-gravels in favorable areas is often replenished by the wash from the hill-side soils during rains, especially where the hills have any considerable slope and the land is cultivated. Under such conditions...
Full view - About this book




  1. My library
  2. Help
  3. Advanced Book Search
  4. Download EPUB
  5. Download PDF