2 edition of Infiltration and erosion analysis of phosphate strip mine overburden found in the catalog.
Infiltration and erosion analysis of phosphate strip mine overburden
Christopher M Knopp
by Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station in Ogden, Utah
Written in English
|Statement||Christopher M. Knopp, Eugene E. Farmer|
|Series||USDA Forest Service research paper INT -- 246|
|Contributions||Farmer, Eugene E., joint author, Intermountain Forest and Range Experiment Station (Ogden, Utah), United States. Forest Service|
|The Physical Object|
|Pagination||11 p. :|
|Number of Pages||11|
How Phosphate is Mined and Processed Learning outcomes: By completing the reading, you should be able to meet outcomes 1 and 4 below. By also completing the in-class activity, you should be able to do all of the following: 1. Describe the mining and beneficiation techniques used to recover phosphate. 2. Surface Mining and Reclamation: Initial Changes in Soil Character. Soil and Water Conservation Janscn, I. J., Reconstructing Soils After Surface Mining of Prime Agricultural Land. Mining Engineering 33(3) Knopp, C. M. and E. F. Farmer, Infiltration and Erosion Analysis of Phosphate Strip Mine Overborden.
After the removal of rock fragments the steady‐state infiltration rate diminished from to mm h −1 and the runoff coefficient, sediment concentration and erosion rates were, respectively, 3, 33 and 39 times greater than they were before the rock fragments were by: Soil mineralogy and slope effects on infiltration, interrill erosion, and slope factor M. Ben-Hur Institute of Soil, Water and Environmental Sciences, Volcani Center, Agricultural Research Organization, Bet Dagan, Israel I. I. C. Wakindiki Department of Soil Science, Egerton University, Njoro, KenyaCited by:
Mechanized open-cut mining is used to first strip off the overburden and then to excavate in strips the exposed phosphate rock bed matrix. In the Rusaifa area of Jordan, the stripping ratio of overburden to phosphate rock is about by wt. . on the environmental impact of phosphate mining and processing with main emphasis on water pollution, air pollution and human risks. Int J Hydro. ;2(4) ‒
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Infiltration and erosion analysis of phosphate strip mine overburden. Ogden, Utah: Intermountain Forest and Range Experiment Station, U.S. Dept.
of Agriculture, Forest Service, (OCoLC) Infiltration and erosion analysis of phosphate strip mine overburden by Knopp, Christopher M. cn; Farmer, Eugene E; Intermountain Forest and Range Experiment Station (Ogden, Utah) 1n; United States.
Forest Service. Strip mining is favored when the overburden—the overlying rock strata—is typically feet or less in thickness, but it can still be economical with an overburden thickness of up to feet [4, 18].
Another factor that is considered when determining the economics of strip mining is the stripping ratio, which is the ratio of overburden. In Florida, the phosphate rock is extracted by a process referred to as strip-mining. Unlike mining in other states, phosphate deposits are found closer to the surface, about feet below ground.
Sandy topsoil, also known as overburden, is removed by large digging machines called draglines. Risk Analysis Summary Ores, Phosphate Rock, Asbestos, Overburden from Uranium Mining, and Oil Shale.
Mine waste is the soil or rock that is generated during the process of gaining access to the ore or mineral body. Tailings are the wastes generated. How phosphate is mined and processed Learning outcomes: By completing the reading, you should be able to meet outcomes #1 and #4 below.
By also completing the in-class activity, you should be able to do all of the following: 1. Describe the mining and beneficiation techniques used to recover phosphate. Size: KB. Phosphate rocks: Phosphorus, an element of phosphate, strengthens roots and helps them to mature early.
Table shows the rock phosphate analysis which contains % P 2 O phosphate is recommended in organic farming as a source of phosphorus for plants. Infiltration and instability in dune erosion Margaret L. Palmsten1,2 and Robert A. Holman1 Received 2 March ; revised 17 June ; accepted 5 August ; published 26 October  Forecasting dune erosion prior to a storm or over longer periods requires Cited by: Inmillion metric tons of marketable phosphate rock, or phosphorite, was mined in the United States, making the US the world's third-largest producer, after China and phosphate mining industry employed 2, people.
The value of phosphate rock mined was US$ billion. As ofthere are 10 active phosphate mines in four states: Florida, North Carolina, Idaho, and Utah. in maintaining infiltration capacity and soil stability.
Infiltration is also affected significantly by soil properties, notably bulk density, aggregation, and moisture content. Control of overland flow and soil erosion is a basic requirement for effective watershed protection.
Such control is particularly impor. Phosphate mining in Florida is a strip-mining process. Overburden, the layers of material above the phosphate, is removed to expose the phosphate reserve (matrix). Before mining, exploratory cores are taken to measure the depth of the overburden and the thickness of the phosphate matrix.
This coring. Mine Development: Exploration, Planning, Approval and Construction 15 Extraction 17 and the erosion of sediments and leaching of toxic minerals from overburden and processing wastes. Environmental Aspects of Phosphate and Potash Mining); File Size: 1MB. World Phosphate Rock Reserves and Resources Executive Summary The amount of remaining phosphate rock reserves and resources worldwide has become an issue of speculation.
It has been hypothesized that phosphorus (phosphate rock) production will "peak" in and then production will unavoidably decrease as the reserves are depleted.
Another byproduct of phosphate strip-mining is waste clay. The clay is filtered from the slurry mixture during processing. This waste clay contains toxic levels of uranium and radium and cannot be put back into the environment. Instead, the clay is stored in huge settling ponds on the mine site.
Our Santa Fe River, Inc. is a not-for-profit (c)(3) organization incorporated in Florida on Decem Our organization is composed of concerned citizens working to protect the waters and lands supporting the aquifer, springs and rivers within the watershed of the Santa Fe River by promoting public awareness pertaining to the ecology, quality, and quantity of the waters and lands.
The term phosphate rock (or phosphorite) is used to denote any rock with high phosphorus content. The largest and least expensive source of phosphorus is obtained by mining and concentrating phosphate rock from the numerous phosphate deposits of the world. Some phosphate rock is used to make calcium phosphate nutritional supplements for animals.
Mining Erosion Control and Protection Solutions Landfill Mining Erosion Surface mining removes or strips surface vegetation, dirt and layers of bedrock in order to reach buried ore deposits (normally gold, silver and copper).
There are various types of surface mining, such as open-pit mining, quarrying, strip mining. Infiltration and erosion analysis of phosphate strip mine overburden / (Ogden, Utah: Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, ), by Christopher M.
Knopp, Eugene E. Farmer, United States Forest Service, and Intermountain Forest and Range Experiment Station (Ogden, Utah) (page images at HathiTrust).
Phosphate strip mining occurs daily in the Peace River Valley while Florida’s citizens are unaware of the severe irreparable environmental damage caused by the industry. Unfortunately, people living on reclaimed mined lands are now showing signs of serious illnesses possibly caused by radiation emissions from strip mining naturally occurring.
Phosphate Mining and the Paradox of Abundance by Christian Danielewitz Published Septem Updated Novem This is the eighth piece in a series on the Plantationocene—a proposed alternate name for the epoch often called the Anthropocene.
vert the volume of phosphate resource (calculated in cubic feet) to short tons of phosphate resource (sheets 2 and 3). Thickness, phosphate content, and stratigraphic position are the three factors that determine whether a sampling in terval is included within the Cited by: 1.
Phosphate mining 1. Radiation Phosphate Mining 2. Phosphate Mining Phosphate is essential to every cell in humans, plants, animals – every living thing It is necessary for many of the biochemical molecules and processes that define life itself Phosphate is a charged group of atoms, or ions It is made up of a phosphorus atom and four oxygen atoms (PO4) and carries three negative .description of selected phosphate mines in southeastern Idaho, showing mine pits, waste dumps, tailings and other phosphate-mining-related features, has been prepared (Causey and Moyle, ).
Mine waste samples described in this report were collected during field reconnaissance at several of the mines included in the geospatial by: 2.