A comparative study of geometric and geostatistical ...
The next section presents the methodology for computing the reserve and grade estimation of Oyo-Iwa limestone deposit using geometric and geostatistical methods. 4 Methods 4.1 Reserve estimation using geometric method (triangular block) There are various geometric methods available for estimating the reserve of a deposit (e.g., Wellmer, 1998 ...
Ore grade estimation of a limestone deposit in India using ...
This study describes a method used to improve ore grade estimation in a limestone deposit in India. Ore grade estimation for the limestone deposit was complicated by the complex lithological structure of the deposit. The erratic nature of the deposit and the unavailability of adequate samples for each of the
Mineral Deposit Value - How to Calculate the Potential ...
Mineral Deposit Value – How to Calculate the Potential Value of a Mining Project When the preliminary feasibility study of a mineral project has not been completed yet, but you do want to estimate the mineral deposit value, you can calculate the potential value of a mining project by the back-of-the-envelope calculation described in this article.
Reserve estimation of limestone deposit in Obiaja area ...
dimensions of the deposit suggest conservative limestone tonnage of 5,664,440 metric tonnes; whereas the volume of overburden is estimated to be approximately 1,570,000 cubic meters with stripping ratio of 0.73:1.
(PDF) Ore grade estimation of a limestone deposit in India ...
Chatterjee et al. (2006) reported satisfactory estimation of the grade of limestone deposit by feed forward model as compared to that by ordinary …
DEPOSITIONAL ENVIRONMENT, GEOPHYSICAL MAPPING AND …
The aspect geochemical evaluation, depositional environment and reserve estimation of limestone deposit were also reported around Orimogija and Okeluse areas of eastern Dahomey Embayment [15] [16 ...
STAGES OF EXPLORATION & RESERVE/ RESOURCE …
limestone/dolomite 400 to 500m, c. Iron and manganese 200 to 400m, d. Bauxite 300 to 400m, e. chromite 300m, f. barite 500m, g. base metals 200m and h. gold 100m. 5. Sampling: litho geochemical from a well known section, pit/trench and core sampling. 6. Petrographic and mineralogical studies: study of host rock of the deposits
Your reserves - Mineral Valuation
acres of a 100-ft. thick limestone deposit (32 million tons/320,000 tpa). A 500,000 tons per year sand and gravel pit, growing 1 percent annually, will sell about 14 mil-lion tons in 25 years, and consume about 140 acres of a 50-ft. thick deposit (14 mil-lion tons/ 100,000 tpa). Acreage value The value estimates derived from the Sales
Mineral Appraisals: What is the Value of a Quarry or Mine?
scours. In estimating the thickness of a deposit, the top and floor of the deposit may need to be subtracted. Weathering commonly deteriorates surface rock to the point where it cannot be sold. A level quarry floor may require leaving some sellable stone. Volume 32, Issue 2, 2nd Qtr 2016 43
Valuation of Aggregate Operations for Banking Purposes ...
Valuation of Aggregate Operations for Banking Purposes (Sand and Gravel and Crushed Stone) ... property that contain raw minerals (coal, limestone, sandstone, gravel, etc.). Typically, the ... The only appropriate analysis available to estimate a deposit’s (mineral
Ore grade estimation of a limestone deposit in India using ...
Ore grade estimation for the limestone deposit was complicated by the complex lithological structure of the deposit. The erratic nature of the deposit and the unavailability of adequate samples for each of the lithogical units made standard geostatistical methods of capturing the spatial variation of the deposit inadequate.
Quarry Optimisation - Holtec
tonnes per annum capacity. The limestone mine under reference is located in the central part of India. Mining was started in 1993. The limestone is marginal grade. About 99.5% of the raw mix comprises of Run-of-Mine limestone and balance 0.5% is iron ore. The inventory of the deposit in terms of quality and quantity
PROPOSAL EXPLORATION PROGRAM OF LIMESTONE …
It is aimed at evaluating the resource quality as a limestone mineral and rock and estimating its quantity for sustainable commercial production. For the preparation of this proposal, a literature review was conducted and pre-existing data perused. The terrain in and around the concession area possesses extensive deposits of limestone suitable for
Limestone Mineral Deposits in Nigeria with their Locations ...
Limestone deposit in Nigeria is majorly deposited in Cross River and Ebonyi states but can still be found in commercial deposit in Abia, Akwa Ibom, Anambra, Bauchi, Bayelsa, Benue, Borno, Edo, Enugu, Imo, Ogun, Ondo and Sokoto, making Nigeria the most richly deposited West African country when it comes to Limestone.
Limestone - Missouri Department of Natural Resources
Limestone is now mined using surface and underground methods. Surface quarrying is the most common method of producing limestone in Missouri. Also, it is typically the most economical method. Many surface operations are simply hillside cuts or open pit quarries. Controlled blasting at the quarry face is used to break the rock into pieces. If ...
limestone deposits in mp india - liming-china.com
ORE GRADE ESTIMATION OF A LIMESTONE DEPOSIT IN INDIA USING AN ARTIFICIAL NEURAL NETWORK S. Chatterjee, Department of Mining Engineering, Indian … Madhya Pradesh Source: Cement Manufacturers Association of India –Madhya Pradesh ranks 3rd in production of ...
Mineral Resources of Nepal and their present status ...
Limestone: Over 1.298 billion metric tons of cement grade limestone deposits are already known from the Lesser Himalayan region only. Exploration of limestone by DMG, in the past was able to identify a number of large to small size limestone deposits. Few cement industries are already in operation/ production, few others under construction and ...
Exploring and Reserve Estimation for Industrial Mineral ...
deposit such as limestone, the aim includes ascertaining (i) the relief/ topography and vegetation of the area (ii) the geological structures and variations, (iii) the number and geometry of limestone beds (bands), (iv) the limestone reserves estimates of each bed, (v) the geology and hydrogeology of the deposits.
CiteSeerX — © Emerging Academy Resources www ...
BibTeX @MISC{Nigeria_©emerging, author = {South-western Nigeria and O. A Ehinola and A. Oluwajana and C. O. Nwabueze}, title = {© Emerging Academy Resources www.emergingresource.org 7 DEPOSITIONAL ENVIRONMENT, GEOPHYSICAL MAPPING AND RESERVE ESTIMATION OF LIMESTONE DEPOSIT IN ARIMOGIJA- OKELUSE AREA,}, …