Maine Geological Survey, Department of Conservation, Augusta, Me., 1990. Contents: Introduction / The Early Years: Pre-Civil War / The Civil War to World War II / The War Years of the 1940's / The Postwar Years: 1940's to 1960 / The 1960's / The 1970's / Maine Mineral Resources Association / The 1980's / Current Mining and Exploration / Future ...
Q1. Is there any current mining or quarrying activity in Maine? Back. While there are no metallic mineral mines currently in production, other geologic natural resources are being excavated at many places across Maine. According to the U.S. Geological Survey, the estimated value of mineral production for Maine in 2008 (PDF format) was $158 million.
And if the past and the present are any indications, their efforts have had and continue to have an impact near and far. Rockhounding Ambassadors. Among the rockhounding ambassadors of the region, best known as Maine's Granite Pegmatite Belt, are Mary Groves, her family, and volunteers of Poland Mining Camps.
Based on data from the Portland tide station (1912-2018) sea level has risen at a rate of 1.85 mm/yr or about 7.3" per century, as shown in the below figure. For reference, sea level has risen at Bar Harbor and Eastport at 1.94 and 2.16 mm/yr, respectively. These are all very close to global, long-term trends.
U.S. Geological Survey, National Center, MS 954, Reston, VA 20192 and Michael V. Scully Northeast Geophysical Services, 4 Union Street, Suite 3, Bangor, ME 04401 *Present address: 6588 Ox Road, Fairfax Station, VA 22039 Open-File Report 97-746 This report is preliminary and has not been reviewed for conformity with U.S. Geological Survey
The U.S. Geological Survey (USGS) Mineral Resources Data System catalogs information about mineral resources around the United States and the world. Using the map tool, users can zoom in to obtain reports and data on past and present mines, mine prospects, and processing plants. All …
We interact with State agencies, such as Maine Geological Survey and Department of Marine Resources and federal agencies, including the U.S. Geological Survey and National Park Service. Our expertise and research results affect state and national policies on mitigation and prevention of coastal hazards and sound shoreline construction planning.
The Maine Geological Survey map (left) of volcanic and ... "During metal mining boom times such as the present… new deposits look attractive. We should be cautious, however, ... true in the past, this mining boom will lead to a bust and we will again face cleaning up the near permanent toxic mess that
Maine's metal mining boom in the late 19th century generated enough interest that a Bangor publisher started a weekly industry newspaper "to assist investors in discriminating between honorable and dishonorable companies, and valuable and worthless mines." It ran from January 1880 to September 1882. Courtesy of the Maine Geological Survey.
Mining on State Lands Statutes; Geological Society of Maine Metallic Minerals Conference 2012; Department of Environmental Protection Mining home page; Maine DEP Rule Chapter 200 Amended April 2013; Frequently Asked Questions; Maine's Mineral Resources. Google Earth Interactive Maps; Core Repository; Mining in Maine: Past, Present, and Future ...
9. Resources at the Maine Geological Survey. About Us library, mineral collection, aerial photo collection
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 …
Visitors to EarthCaches can see how our planet has been shaped by geological processes, how we manage its resources, and how scientists gather evidence to learn about the Earth. Dikes and Migmatites in New Gloucester, Maine (GC3VNGM) …
Marvinney reviewed past efforts regarding water policy. Marvinney worked from a 2-page synopsis taken from a lengthy summary that he compiled last year with the assistance of others. There has been considerable debate on water policy for decades and many of the recommendations from past efforts have been implemented while others have not.
We have studied the record of past sea-level changes by mapping the seafloor and lake bottoms. We interact with State agencies, such as Maine Geological Survey and Department of Marine Resources and federal agencies, including the U.S. Geological Survey and National Park Service.
USGS (U.S. Geological Survey) National Geologic Map Database. A recent isotopic age of about 500 Ma [Early Ordovician] was determined for Castine Volcanics by McLeod and others (1991, Compilation and correlation of southwestern New Brunswick geology; Charlotte, Queen, Kings, Saint John, and Sunbury Counties (PROV and C-NBCAMD), IN Abbott, S.A., ed., Project summaries …
Maine's geologic past is unknown prior to 650 million years ago, although some geologists have suggested that rocks over a billion years old may be present in units of the Chain Lakes in northwestern Maine. The state is made up of three distinct terranes, including Laurentia, Iapetus Ocean terranes and the former microcontinent of Avalonia .
Hatch Farm prospect, East Mount Apatite Mining District, Auburn, Androscoggin Co., Maine, USA : Granite pegmatite. Eastern Mount Apatite District. Oxford pegmatite field. First green tourmaline found in 1868 (cut to 2 carat gemstone). In situ tourmalines first found in 1883 from excavation ...
Maine Geological Survey, "Report of the State Geologist 1953-1954" (1955). Maine Collection. 32. ... Our mineral production at present is almost entirely of non-metallics. Structural materials, and gravel, crushed stone, dimension stone, cement rock, ... struction will far exceed those of the past. I …
At the Maine Mineral and Gem ... Maine Minerals" created by the Maine Geological Survey. Starting in the mid-1800s and extending into the 20th century, quarries were opened to …
he managed the Maine Geological Survey's geologic mapping program for eight years, with components in bedrock and surficial mapping. He is the author or co-author of more the one dozen geologic maps covering various parts of the state. Prior to joining the Maine Geological Survey in 1987, Marvinney was employed as a research geologist at
Maine Geological Survey - Bulletin 6 : Pegmatites and Associated Rocks in the Newry Hill Area, Oxford County, Maine. ... Numerous investigations in the past have been prompted by. the presence of strategic, gem, and rare pegmatite minerals in this area. The present report describes the occurrence, distribution, and quantities of beryl and other ...
Dominic Winski helped secure the deepest and oldest ice core at the South Pole in order to understand past variations in the Earth's climate. The oldest ice in the 5,745-foot-long (more than a mile deep) core is 54,302 years old, plus or minus 519 years, says the research assistant professor at the University of Maine […]
Bedrock Geology Skip to Precambrian History.. The geologic history that is recorded in Maine's bedrock covers more than half a billion years. Over this period of time a variety of geologic processes including erosion and sedimentation, mountain-building, deformation (folding and faulting), metamorphism, and igneous activity, have acted to produce the complex bedrock geology that we see today.
He thought that the Department of Environmental Protection (DEP) would help. Mr. Studer thought the map came from the Maine Geological Survey. Mr. Bowers asked just what a hydro-geologic assessment was. Mr. Whelan did not know. Mr. Garnett thought the only time the Board might have had experience with it was in the Lane application. Mr.
The U.S. Geological Survey (USGS) Mineral Resources Data System catalogs information about mineral resources around the United States and the world. Using the map tool, users can zoom in to obtain reports and data on past and present mines, mine prospects, and processing plants. All …
SMPDC has long worked with the Maine Coastal Program, the Maine Geological Survey, and the Maine Department of Environmental Protection, has long worked with member coastal communities on land use and development in hazardous coastal erosion areas and areas subject to inundation from sea level rise. View Past Coastal & Sea Level Rise Studies Here
Maine Geological Survey DEPARTMENT OF CONSERVATION Walter A. Anderson/ State Geologist OPEN-FILE NO.90-24 Title: Stability of Natural Slopes in the Presult pscot Formation Author: Steven C, Deztin andThomas C. Sandford Date: 7990 Financial Supporh Preparation of this report was funded by the U.S. Geological Survey, Office of Earthquakes, Volcanoes, and Engineering, under Contract No. …
The U.S. Geological Survey, in cooperation with the International Joint Commission, compiled historical data on regulated streamflows and lake levels and estimated unregulated streamflows and lake levels on Forest City Stream at Forest City, Maine, and East Grand Lake on the United States-Canada border between Maine and New Brunswick to study ...
Maine's Fossil Record. Maine's fossil record covers a vast span of time. Fossils preserved in bedrock date from 500 to 360 million years ago. Most fossils contained in these rocks are marine animals such as brachiopods, gastropods, bivalves, corals, trilobites, and crinoids. Unfortunately there is a gap in Maine's fossil record, from about 360 ...
