Mineral Deposits Of Maine

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Maine Geological Survey: Metallic Mineral Deposits

Jan 24, 2013· The Metallic Mineral Deposits of Maine map (PDF 0.7MB) shows locations of known metallic mineral occurrences on a generalized geologic map of Maine. The information is taken from the Maine Mineral Resources database of the Maine Geological Survey. That database includes more information about the occurrences that are shown on the map, and also includes many non-metallic mineralMaine Geological Survey: Maine's Mineral Resources,Maine Mineral Resources Data System - This database was produced by the Maine Geological Survey in 2009. It was derived from the U.S. Geological Survey's Mineral Resources Data System (MRDS). MRDS is a worldwide database of mineral site records with related geologic, commodity, and deposit information. The USGS data were combined with records,Interactive map of mineral resources in Maine | American,,The Maine Geological Survey's interactive map provides a range of mineral resource information for the state of Maine. The map allows users to explore Maine's significant mineral commodities, mineral deposits, selected historical mines, and more. Much of the data can be

Significant Known Metallic Mineral Deposits in Maine

Significant Known Metallic Mineral Deposits in Maine including approximate tonnage and grade1 Northern Maine belt (in alphabetical order) *Alder Pond - 3.4 MT massive sulfide, of which 0.8 MT grades 2-3% copper, 9-17% zinc,Maine Geological Survey: A Collector's Guide - Chapter 2,Oct 06, 2005· Chapter 2. Geologic Settings of Maine Minerals. Most of the good mineral localities in Maine occur in one of several common geologic environments, such as granite pegmatites or metamorphic rocks. Each of these settings is briefly described here, so that you will have a better understanding of how the mineral deposits originated.Maine Geological Survey: History of Metal Mining in Maine,Oct 06, 2005· The next round of Maine mineral exploration came in the late 1950's after the discovery of large ore deposits in nearby Bathurst, New Brunswick. While much attention was again focused on Maine's coastal volcanic belt, the inland volcanic belt from northwestern to northern Maine

Mining In Maine | The Diggings™

Maine has 788 identified mines listed in The Diggings™. The most commonly listed primary commodities in Maine mines are Silver , Copper , and Lead .At the time these mines were surveyed, 174 mines in Maine were observed to have ore mineralization in an outcrop, shallow pit, or isolated drill hole—known as an occurance mine. 1 Maine has 292 prospect mines. 2 319 mines were in production at,Maine Geological Survey: Mining and Quarrying - Frequently,,Feb 29, 2016· Tourmaline is the official State Mineral of Maine, and the most valuable and highly sought-after gem material that can be found here. Gem tourmaline has been mined in Maine since the 1820's, and the oldest location (Mt. Mica in Paris Hill) is still producing today. Tourmaline is actually a group of minerals having various colors and compositions.Maine Gemstones: tourmaline, amethyst, aquamarine, morganite,Other Maine Gems. In addition to tourmaline and quartz, the pegmatite deposits of Maine have produced aquamarine, morganite, chrysoberyl, lepidolite, spodumene, and topaz. Garnet, kyanite, andalusite, sodalite, and staurolite have been produced from the metamorphic rocks of Maine.

Mining and Quarrying in Maine: Explore Maine Geology,

Nov 05, 2015· Mining and Quarrying in Maine Virtual Tour. Our virtual tour is a series of photos which portray some of the history and types of Maine mining and quarrying.; Frequently Asked Questions Geologic Information. Metallic Mineral Deposits of Maine (map) Known occurrences of metallic minerals shown on a generalized geologic map of Maine.Maine Geological Survey: Maine's Mineral Resources,Maine Mineral Resources Data System - This database was produced by the Maine Geological Survey in 2009. It was derived from the U.S. Geological Survey's Mineral Resources Data System (MRDS). MRDS is a worldwide database of mineral site records with related geologic, commodity, and deposit information. The USGS data were combined with records,USGS Science Topics: mineral deposit areas and Maine,Mineral deposit areas with Maine. Mineral deposit areas. Areas where masses of naturally occurring mineral material are found, e.g. metal ores or nonmetallic minerals. [Adapted from Glossary of Geology, 4th ed.] Maine. state . Results listed alphabetically by title.

Rare Gems and Minerals in Maine - Mining Locations

New deposits can also be found by searching for pegmatite outcrops in the known mineral producing areas. Although mineral collecting is prohibited within Maine State Parks, many lands are open to casual prospecting for minerals.Maine’s Geology and,Mineral Deposits Maine’s geology hosts a variety of genetic mineral deposit types. Maine Minerals Information on the Web . Significant Mineral Deposits Google: Maine Geological Survey . Significant Mineral Deposits Google: Maine Geological Survey Scanned Core Records in Google EarthMaine Pegmatites - Mineralogical Society of America,The granite pegmatites of central Maine have been described in some detail by Bastin. 1 The present paper presents the results of a more detailed investigation of two recently opened deposits and some additional facts concerning some of the better known localities.

Alder Pond Massive Sulfide Deposit Will mining return to,

Central Maine. Volcanogenic mineral deposits (Bald Mt., Mt Chase, and Alder Pond) in the Northern Appalachians occur within a few well defined belts characterized by distinct assemblages of volcanic and sedimentary rocks (Figure 1). In the vicinity of the Alder Pond deposit, the rocks include three major rock types which form a thick,Bald Mountain Mine, T12 R8 WELS, Aroostook Co., Maine, USA,Bald Mountain Mine, T12 R8 WELS, Aroostook Co., Maine, USA : Volcanogenic massive sulfides deposit. (WELS = West of the Easterly Line of the State. Note: Unincorporated areas of Maine are known only by Township and Range designations, hence the odd 'name' of,Mount Chase Copper Occurrence Near Hersey, Maine | The,,Copper mining deposit report for "Deposit #Usgs10048799" (#USGS10048799) in Penobscot County, Maine.

Title 14, §6662: Extinguishment of mineral rights

A. "Mineral" means all naturally occurring mineral deposits, including hydrocarbons and peat, but excluding sand, gravel and water. [PL 1983, c. 189 (NEW).] B. "Mineral interest" means the interest in minerals which is created by an instrument transferring by grant, assignment, lease or otherwise, any interest in any mineral.Lost Gold Mines in New England - New England Explorers,Apr 18, 2017· Commercial gold mines in New England were and are rare due to the low grade of most of the ore. But in the 1700s, Rhode . Island experienced a small gold mining boom that resulted in several deposits that have been mined on and off over the past three centuries. While the history behind the mines is vague at best, some information is certain.Metallic Mineral Deposits in Maine,Very large deposits of volcanic and sedimentary rocks (shown in yellow) are spread throughout the state. Volcanic and sedimentary deposits often hold massive sulfide deposits, which are what open pit mining companies will be looking for in Maine. These metallic mineral deposits are located near some of Maine’s most precious natural areas,

Big Hill Mine, Pembroke, Washington Co., Maine, USA

Sulfide mineral deposit. Select Mineral List Type Standard Detailed Gallery Strunz Dana Chemical Elements. Mineral List,Reference: King, V. and Foord, E., 1994, Mineralogy of Maine, v1.Mining and Using Minerals - Earth Science in Maine,Ore Deposits. A mineral deposit that contains enough minerals to be mined for profit is called an ore. Ores are rocks that contain concentrations of valuable minerals. The bauxite shown in the Figure below is a rock that contains minerals that are used to make aluminum.Maine Geological Survey: Maine's Mineral Resources,Maine Mineral Resources Data System - This database was produced by the Maine Geological Survey in 2009. It was derived from the U.S. Geological Survey's Mineral Resources Data System (MRDS). MRDS is a worldwide database of mineral site records with related geologic, commodity, and deposit information. The USGS data were combined with records,

USGS Science Topics: mineral deposit areas and Maine

Mineral deposit areas with Maine. Mineral deposit areas. Areas where masses of naturally occurring mineral material are found, e.g. metal ores or nonmetallic minerals. [Adapted from Glossary of Geology, 4th ed.] Maine. state . Results listed alphabetically by title.Metallic Mineral Deposits in Maine,Very large deposits of volcanic and sedimentary rocks (shown in yellow) are spread throughout the state. Volcanic and sedimentary deposits often hold massive sulfide deposits, which are what open pit mining companies will be looking for in Maine. These metallic mineral deposits are located near some of Maine’s most precious natural areas,Maine Gemstones: tourmaline, amethyst, aquamarine, morganite,Other Maine Gems. In addition to tourmaline and quartz, the pegmatite deposits of Maine have produced aquamarine, morganite, chrysoberyl, lepidolite, spodumene, and topaz. Garnet, kyanite, andalusite, sodalite, and staurolite have been produced from the metamorphic rocks of Maine.

USGS: Mineral Resources On-Line Spatial Data: mineral,

Lithochronologic units and mineral deposits of the Appalachian Orogen from Maine to Alabama Geologic age, lithology, faults, and mineral deposit information (major deposits and those smaller deposits thought to be representative of the metallogenic character of the area).Maine Pegmatites - Mineralogical Society of America,The granite pegmatites of central Maine have been described in some detail by Bastin. 1 The present paper presents the results of a more detailed investigation of two recently opened deposits and some additional facts concerning some of the better known localities.Maine Map of Gold, Silver & Lost Treasure Sites,Maine Map of Gold, Silver & Lost Treasure Sites. Placer and lode gold have been found in Cumberland, Franklin, Hancock, Knox, Oxford, Somerset, Waldo and Washington Counties. Note: Some sites listed below may have prohibitions against prospecting. Always seek permission from property owners and obtain any necessary permits prior to panning,

Alder Pond Massive Sulfide Deposit Will mining return to,

Central Maine. Volcanogenic mineral deposits (Bald Mt., Mt Chase, and Alder Pond) in the Northern Appalachians occur within a few well defined belts characterized by distinct assemblages of volcanic and sedimentary rocks (Figure 1). In the vicinity of the Alder Pond deposit, the rocks include three major rock types which form a thick,Mining and Using Minerals - Earth Science in Maine,Ore Deposits. A mineral deposit that contains enough minerals to be mined for profit is called an ore. Ores are rocks that contain concentrations of valuable minerals. The bauxite shown in the Figure below is a rock that contains minerals that are used to make aluminum.Gems, Minerals & Fossils in New England - RareGoldNuggets,Jul 17, 2017· Read: Rockhounding Tools – Gear that All Mineral Collectors Should Have . Maine . Maine is a state that has an exceptional reputation on the variety of minerals that can be collected from within its borders. The state rock hounding areas can accommodate both newbies and experts in

USMIN Mineral Deposit Database - USGS

An accurate, up-to-date mineral deposit database utilizing current geospatial technologies is needed to meet the needs of USGS research, state and federal land management agencies, private industry, and the general public. In the 1960's, the USGS and the U.S. Bureau of Mines developed national-scale mine and mineral deposit databases.USGS: Mineral Resources On-Line Spatial Data: Maine,A developing national-scale geospatial database that will be an authoritative source of information on the most important mines, mineral deposits, and mineral districts of the United States. Info GIS for focus areas of potential domestic resources of 11 critical minerals: aluminum, cobalt, graphite, lithium, niobium, platinum group elements,Maine - USGS,Maine is the northernmost and least densely populated state in the contiguous United States east of the Great Lakes.,(CMDB) contains chemistry and geologic information for historic ore and ore-related rock samples from mineral deposits in the United States. In addition, the database contains samples from archetypal deposits from 27 other,

National mineral assessment tract NA02 - USGS

The terrane that contains calc-alkaline Ordovician to Devonian alkaline plutonic rocks of northern Maine, northern New Hampshire and northern Vermont, also includes the Catheart Mountain, Sally Mountain, and Deboullie prospects, and is considered permissive for porphyry copper deposits, especially the porphyry copper-molybdenum subtype.,,

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