Bulletin Volume 4, PT. 2

Bulletin Volume 4, PT. 2

List price: US$9.51

Currently unavailable

Add to wishlist

AbeBooks may have this title (opens in new window).

Try AbeBooks


This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1908 edition. Excerpt: ...north of Bay St. Louis. The clay used is a mottled sandy clay from a surface deposit. The stratigraphy of the clay-pit is given below. Section of the Moon Clay-Pit, Bay St. Louis. Feet. 4. Soil, sandy, 1 3. Sandy loam 3 2. Red and blue sandy clav 3 1. Sand...' 1 Layers 2 and 3 are used in the manufacture of brick. The bricks are molded in a steam-power, soft-mud machine and burned in up-draft kilns, after being dried in sheds. The sandy loam slakes readily and does not contain a high per cent of clay substance. Layer No. 2 is a more plastic clay, which does not slake as readily as the sandy loam. The amount of fluxing impurities is not excessive, but the clay contains enough iron to give a red color to the burned product. HARRISON COUNTY, GEOLOGY. The principal bed-rock formation of Harrison County is the Grand Gulf. The sub-surface of the coastal area is composed of white sands and greenish marls which are younger than the Grand Gulf. These sediments were referred to the Port Hudson epoch by Dr. Hilgard. The white sands were named the Biloxi sands by Mr. L. C. Johnson. The term Ponchartrain has been applied to a group of coastal clays typically developed near Lake Ponchartrain and represented in Harrison County. The mantle-rock in the northern part of the county consists of beds of sands and gravels, and the residual clays and sands of the Grand Gulf. CLAYS AND CLAY INDUSTRY. The clays of Harrison County, which are being used in the manufacture of brick, are surface clays, probably of Columbia age. Landon.--The Landon Brick and Tile Company-was established in 1902. The clay is brought from the pit in cars by the aid of drum and hoist. It is tempered in a pug-mill and molded in a stiff-mud machine of the horizontal type. A side-cutting...
show more

Product details

  • Paperback | 26 pages
  • 189 x 246 x 1mm | 68g
  • United States
  • English
  • black & white illustrations
  • 1236743377
  • 9781236743374