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	Dickenson411.com - Dickenson County Coal Miner's Memorial - Pit Mining
		The planning of an open pit mine is, therefore, basically an exercise in economics, constrained by certain geologic and mining engineering aspects.
		Open pit mines can be used in coal mining, and they are used extensively in "hard rock" mining for ores such as metal ores, copper, gold, iron, aluminum, and many minerals.
		In a open pit coal mine, the pit bottom would be the bottom mined coal seam elevation, since it is usually feasible to extract multiple seams when surface mining coal.
	www.dickenson411.com /pitmining.html (536 words)

	Surface Mining/Open Pit Mining
		The basic concept of an open pit mine is simple.
		Open pit mines, however, require a lot of planning to make sure that as much ore as possible can be extracted.
		The planning of an open pit mine is an exercise in economics, constrained by geologic, and mining engineering aspects.
	www.dmtcalaska.org /course_dev/intromining/07openpit/notes07.html (1787 words)

	Pit Cooking
		After pit 20 Paul Maragakis added this piece of folklore to our pit cooking knowledge: In Greece, kleftiko is a traditional way of cooking lamb in a pit (that was later trivialized to cooking in a pot or in foil).
		Pit 3 The Pig: A pig weighing 13kg was prepared by rubbing it with mango and placing some onions and spices in the interior [MPEG].
		Team Mumu moved on to the "two pit theory", one 12 hour pit sufficient to cook a 20kg lamb, and one 6 hour pit for the 30kg of vegetables.
	www.thesalmons.org /lynn/pit.html (1280 words)

	Hard Rock and Open Pit Mines
		Open pit mining is used in shallow orebodies, often at much lower grades of mineralisation.
		The El Chino mine located near Silver City, New Mexico is an open-pit copper mineOpen-pit mining refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow.
		However, some form of water control is usually required to keep the mine pit from becoming a lake.
	www.arizonagoldprospectors.com /Hard-Rock-Open-Pit-Mines.html (557 words)

	George's Steak Pit - Home of the Famous Open Pit, Steaks, Chicken & Fresh Fish
		George's Steak Pit was founded in the mid 1950’s by George and Vangie Vafinis and has been in the same location for over forty years.
		The tradition has been carried on since that time by their son Frank Vafinis.
		One of the secrets to our success is our famous open pit.
	www.georgessteakpit.com (162 words)

	Pinnacle Food Group, Inc. \| Brands
		Open Pit® was introduced in Detroit in 1953 as a classic tangy BBQ sauce to liven up family meals.
		Open Pit’s Original Blue Label sauce has a tangy BBQ flavor that people enjoy right on top of their meal or as part of their own secret sauce recipe.
		Open Pit’s special blend of spices and tangy bite make it perfect for adding your own special ingredients whatever they are: Brown Sugar, Lemon, Garlic, Cayenne Pepper (even a touch of Whiskey).
	www.pinnaclefoodscorp.com /public/brands/open-pit.htm (483 words)

	Basics of an open pit mine
		The planning of an open pit mine is, therefore, basically an exercise in economics, constrained by certain geologic and mining engineering aspects.
		Open pit mines can be used in coal mining, and they are used extensively in "hard rock" mining for ores such as metal ores, copper, gold, iron, aluminum, and many minerals.
		In a open pit coal mine, the pit bottom would be the bottom mined coal seam elevation, since it is usually feasible to extract multiple seams when surface mining coal.
	www.mine-engineer.com /mining/open_pit.htm (516 words)

	Argyle Diamonds - Operations: Open Pit Mining
		Several small diamonds found in 1979 led to the discovery of the diamond-bearing "pipe" that is the source of the mine's open pit.
		Argyle's open pit was mistakenly named Argyle Kimberlite 1 (referred to as AK1) by the geologists who initially thought the diamond bearing rock was kimberlite.
		The AK1 open pit is 2 kilometres long, 1 kilometre wide and covers an area of almost 300 hectares.
	www.argylediamonds.com.au /operations_openpit.asp (159 words)

	MiningWatch > Open Pit/ Open Cast Mining
		Thursday June 23, 2005 09:36 AM Open pit mining involves the extraction of a large amount of waste rock in order to extract the desired ore. Several square kilometers may be exposed in order create an open pit mine.
		Open pit mining is less expensive than other types of mining, especially when the ore deposit is close to the surface.
		However, open pit mines produce 50 times more waste rock than underground mines, and causes land disturbances from the removal of soil, vegetation and waste rock.
	www.miningwatch.ca /index.php?/Types_of_Mining/Open_Pit_Open_Cast_M (123 words)

	Newmont Waihi Gold - The Open Pit
		At the modern Martha Mine site, rehabilitation of the open pit was an important part of the planning of the project.
		The pit will be a normal mining operation during its life, but post construction the mine will be allowed to fill to RL 1104 (mine datum) and a lake formed.
		In order to develop the open pit it is necessary to dewater the mine to ensure that the water level remains below the pit floor.
	www.newmont.com /en/operations/australianz/waihigold/mining/openpit/index.asp (829 words)

	Pit Cooking
		After pit 20 Paul Maragakis added this piece of folklore to our pit cooking knowledge: In Greece, kleftiko is a traditional way of cooking lamb in a pit (that was later trivialized to cooking in a pot or in foil).
		Pit 3 The Pig: A pig weighing 13kg was prepared by rubbing it with mango and placing some onions and spices in the interior [MPEG].
		Team Mumu moved on to the "two pit theory", one 12 hour pit sufficient to cook a 20kg lamb, and one 6 hour pit for the 30kg of vegetables.
	fp.thesalmons.org /lynn/pit.html (1270 words)

	Science Fair Projects - Open-pit mining
		Open-pit mining refers to a method of extracting rock or minerals from the earth by their removal from an open pit or borrow.
		The term is used to differentiate this form of mining from extractive methods that require tunneling into the earth.
		However, some form of water control is usually required to keep the mine pit from becoming a lake.
	www.all-science-fair-projects.com /science_fair_projects_encyclopedia/Open_pit_mine (513 words)

	SRK UK Ltd - Open-Pit Mine Design
		For open pit mining projects, software packages such as Gemcom, Surpac and Vulcan are used to store resource and mining block model information and to generate engineered pits and push backs.
		Optimised pits are generated as a first-pass estimation of reserves in the case of pre-feasibility studies and scoping studies.
		The pits are always engineered to ensure optimal and practical extraction of the reserve orebody with an achievable mine plan.
	www.srk.co.uk /pages.asp?pagename=openmine (438 words)

	Newmont Mining Corporation - Waihi Gold: From Open Pit to Recreational Lake
		As the pit lake rises, much of the PAF rock on the pit slopes will be covered by the lake water, and therefore not exposed to atmospheric oxygen.
		The Pit Lake Formation and Discharge consents require a programme of monitoring pit lake water quality during filling and for a minimum period of five years after the lake first overflows.
		The monitoring programme is to include an assessment of the quality of the runoff from the pit walls, and an assessment of the aquatic life found in the lake.
	www.newmont.com /en/operations/australianz/waihigold/rehabilitation/lake/index.asp (1671 words)

	Costa Rica Bans Open-Pit Mining: Earthjustice: Environmental Law (Site not responding. Last check: )
		Large-scale open pit mining is environmentally destructive for several reasons.
		In addition to digging a vast crater in the earth, thereby stripping it of vital forests and ecosystems open pit mining often results in acid drainage.
		Open pit gold mines often use toxic chemicals such as cyanide to leach metals from the rock.
	www.earthjustice.org /news/press/002/costa_rica_bans_open_pit_mining.html (528 words)

	Analytical Data for Waters of the Harvard Open Pit, Jamestown Mine, Tuolumne County, California, March 1998 - September ... (Site not responding. Last check: )
		The bottom of the pit is at an elevation of 870 ft (265 m).
		A previous study of weathering of arsenian pyrite in similarly mineralized rocks at the Clio mine, in the nearby Jacksonville mining district, showed that arsenic released by weathering of arsenian pyrite is effectively attenuated by adsorption on goethite or coprecipitation with jarosite, depending upon the buffering capacity of the pyrite-bearing rock (Savage and others, 2000).
		The fact that arsenic concentrations increased rapidly before the pit lake was deep enough to stratify shows that arsenic may not be attenuated in the ways that the earlier Clio mine area study indicated, and suggested that our understanding of release and transport of arsenic in this environment is incomplete.
	wrgis.wr.usgs.gov /open-file/of01-074 (612 words)

	Open Pit Barbecue Sauce - Original - One Gallon Jug
		Open Pit Original BBQ Sauce - five "5" Gallon Pail
		Open Pit BBQ Sauce - Hickory Flavor - Gallon Jug
		Open Pit BBQ Sauce - Original - 3, 18 ounce bottles
	www.ironq.com /open_pit_barbecue_sauce_original_one_gallon_jug.html (117 words)

	URANIUM OPEN PIT MINES IN WYOMING (Site not responding. Last check: )
		Excavation, operation and reclamation of open pit uranium mines in Wyoming is strictly regulated by the State of Wyoming Department of Environmental Quality (DEQ).
		Some open pit mines may enter a period of interim stabilization during which the operator may suspend operations and stabilize the pit pending improvements in the market for the commidity being mined.
		To the left is the Sweetwater Pit, the overburden pile and the mill.
	www.coffey.com /~wma/uranium/mining/pits.html (377 words)

	OPEN PIT URANIUM MINING (Site not responding. Last check: )
		This aerial photograph of the Sweetwater Pit was taken on September 25, 1980.
		The overburden pile is shown in the center of the photograph.
		The photograph shows the overburden pile and haulage roads typical of an open pit uranium mine.
	www.wma-minelife.com /uranium/mining/openpit.html (49 words)

	Mirny Sights: the Open Pit 'Mir'
		The open pit "Mir" is a good illustration of such conditions.
		Mining works in the pipe "Mir" are still performed by the open pit method, in limited volumes though, with simultaneous reconstruction of the pit for mining much deeper levels.
		Besides the mining and the reconstruction of the open pit, preparatory works for future underground mining of diamonds in the pipe "Mir" are being carried out as well.
	faculty.ed.umuc.edu /~tmousali/mirny/pit.html (560 words)

	Open Pit Barbecue Sauce
		From Open Pit Sweet Barbecue Sauce to Open Pit Onion BBQ Sauce, our many varieties make the perfect topping for chicken, ribs, hamburgers, wings, or as a base for sloppy joes.
		We recycle all boxes and shipping material we receive, so your Open Pit Barbecue Sauce may not arrive in a fancy box, but we guarantee it to be fresh and will do our best to have it delivered in a timely manner.
		Whether it is Open Pit Barbecue Sauce, Campbell's soup, Kraft dinners, Karo Syrup or any of our other hard-to-resist food and candy items, you will enjoy your search for your favorite products while taking a trip down memory lane.
	www.hometownfavorites.com /open-pit-barbecue-sauce.htm (736 words)

	Alaska's Open Pit Pebble Gold Mine Project
		This is the premier fishing and wildlife area in all of Alaska and toxic by-products are an inevitable result of such large open pit mines.
		Local native opposition to the proposed open pit Pebble Mine, and the proposed 1000 square mile mining district around it, is strong and has been registered at over 75% by one recent poll by Hellenthal and Associates.
		Modern open pit mines, such as this copper operation in Peru, are visible from Earth orbit.
	www.renewableresourcescoalition.org /pebble_mine.htm (1359 words)

	Gourmet Food Shop >> Open Pit Onion Barbecue Sauce (Site not responding. Last check: )
		Feature: Open Pit was introduced in Detroit in 1953; it has remained a midwest favorite ever since.
		Open Pit was introduced in Detroit in 1953; it has remained a midwest favorite ever since.
		Whether you want to pour it, squeeze it, or grill it, Open Pit has the right sauce for you.
	www.advancingwomen.com /gourmetfoodshop/B000I60K5Q/Open_Pit_Onion_Barbecue_Sauce.html (127 words)

	Sun.Star General Santos - Open pit mining likely in Tampakan project
		LATEST studies done on the Tampakan project of Sagittarius Mines Inc. suggested that open pit mining is the best method to extract copper and gold deposits in the area, company officials said.
		Tony Robbins, managing director of Indophil Resources NL, said that based on the pre-feasibility study work program completed in September, open pit mining was the recommended scheme in extracting gold and copper deposits in the area.
		According to the same study, the Tampakan project is a world class, two billion-ton resource, containing 11.6 million tons of copper and 14.6 million ounces of gold at a 0.3 percent copper cut-off grade.
	www.sunstar.com.ph /static/gen/2006/11/19/bus/open.pit.mining.likely.in.tampakan.project.html (374 words)

	Republic Michigan and the Republic Mine in the Upper Peninsula
		In the late 1950's, development of the open pit and crushing concentration facilities were begun.
		From the observation stand near the pit's edge, you gain an appreciation of the enormous magnitude of planning and effort involved in the mining of low grade, surface deposits of iron ore which supply our nation's steel mills.
		The Pit is 600 feet deep, with a pit surface area of 250 acres.
	www.exploringthenorth.com /republic/mine.html (853 words)

	The Super Pit \| Kalgoorlie Consolidated Gold Mines
		This was the origin of the Super Pit, Kalgoorlie-Boulder’s famous landmark that will eventually stretch 3.8 kilometres long, 1.35km wide and go down to a depth of more than 500m.
		What had once been the Golden Mile, was named the Fimiston Open Pit, which in turn has become commonly known as the Super Pit.
		The Super Pit is the biggest gold open pit mine in the country.
	www1.superpit.com.au /pages/about_kcgm.asp (562 words)

	MBMG-Berkeley Pit Statistics (Site not responding. Last check: )
		A long-term monitoring program was established to ensure that the Berkeley Pit remains the sink, or terminal pit, for bedrock ground water entering and filling the historic mine workings.
		The deep water of the pit lake – the hypolimnion – is separated from the shallow water – the epilimnion – by a chemocline.
		The Berkeley Pit water level rose 15.5 feet in 2002, to an elevation* of 5228.8 feet.
	www.mbmg.mtech.edu /env-berkeley.htm (1752 words)

	Sun.Star General Santos - Mining company to employ open pit mining
		KORONADAL CITY -- Open pit method will be employed at the large mining site straddling the provinces of South Cotabato, Sultan Kudarat and Davao del Sur, according to an Australian firm that has a stake at the venture.
		"Current studies point to an open pit mine [method] to produce an estimated 140,000 tons of copper per annum and 145,000 ounces of gold per annum," Robbins said in a 25-page presentation obtained by this paper.
		While SMI's 2004 annual report indicated they are contemplating on resorting to open pit method or tunnel mining or a combination of both, Robbin's latest statement on open pit mining for now puts to rest the information earlier propounded by company officials that they are eyeing several methods.
	www.sunstar.com.ph /static/gen/2005/03/14/bus/mining.company.to.employ.open.pit.mining.html (433 words)

	Open Pit BBQ Sauce - Original
		Open Pit BBQ Sauce - Original - 6, 18 ounce bottles
		Open Pit - Chile Lime BBQ Sauce - 3 pack
		Open Pit - Chile Lime BBQ Sauce - full case of 12 bottles
	www.ironq.com /open_pit_bbq_sauce_original.html (158 words)

	Resource Investor - PGMs - Eland Platinum's Elandsfontein Commences Open Pit Mining (Site not responding. Last check: )
		Open pit mining has begun with the ore stockpiled until the concentrator is commissioned in December.
		Steady-state production from the open pit is expected to yield 160,000 ounces per year (4PGM) at a run-of-mine grade of 3 g/t and metallurgical recovery of 55%.
		This provides some 5 million tonnes of UG2 reef that is readily amenable to open pit mining while a relatively shallow underground mine is developed to provide cash flow.
	www.resourceinvestor.com /pebble.asp?relid=28283 (1235 words)

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