Found 18 datasets matching "metamorphism (geological)".
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This worksheet displays the results of X-ray diffraction (XRD) analyses of samples from the Ironwood Iron-Formation. Samples were analyzed using a PANalytical X'Pert Pro diffractometer using Co...
Search relevance: 42.77 | Views last month: 0 -
This dataset comprises various energy-dispersive spectroscopy (EDS) analyses from drill core and outcrop samples in the Ironwood Iron-Formation, Gogebic Iron Range, Wisconsin, USA.
Search relevance: 42.21 | Views last month: 0 -
This geographic information system (GIS) data layer shows the generalized lithologic and geochemical, termed lithogeochemical, character of near-surface bedrock in the New England Coastal Basins...
Search relevance: 41.05 | Views last month: 1 -
These data comprise chemical analyses in weight percent of oxides, as well as chlorine and fluorine, conducted using a JEOL JXA-8900 electron microprobe analyzer (EPMA) on amphiboles, pyroxenes,...
Search relevance: 40.81 | Views last month: 0 -
These data comprise various SEM images from drill cores and outcrops in the Ironwood Iron-Formation.
Search relevance: 40.33 | Views last month: 0 -
This dataset comprises photomicrographs from drill core and outcrop samples from the Ironwood Iron-Formation in the Gogebic Iron Range, Wisconsin, USA.
Search relevance: 40.33 | Views last month: 0 -
The geology of an area of 660 square miles mostly in the northeastern corner of Tennessee and small adjacent areas in Virginia and North Carolina is the subject of this report. The region lies...
Search relevance: 36.58 | Views last month: 1 -
This data set contains U-Pb isotopic data and ages of zircon and titanite from igneous and metamorphic rocks collected from the western Alaska and northern Aleutian Range of south-central Alaska....
Search relevance: 34.73 | Views last month: 0 -
The Index to Marine and Lacustrine Geological Samples (IMLGS) product is being decommissioned. Archived IMLGS data will only be available via an archive request to ncei.info@noaa.gov. The planned...
Search relevance: 34.08 | Views last month: 0 -
The mineral pyrrhotite, which is an unstable sulfide mineral, was present in crushed stone aggregate used in concrete foundations of homes in Connecticut and Massachusetts, many of those...
Search relevance: 31.70 | Views last month: 1 -
The Dinwiddie terrane, formerly the Petersburg Granite (sensu lato), was originally interpreted as a Pennsylvanian - Permian igneous complex located in the eastern Piedmont of Virginia and...
Search relevance: 26.85 | Views last month: 2 -
Regional geologic investigations show that all the metamorphosed crystalline rocks underlying the Greenville 1 degree x 2 degree quadrangle are allochthonous. Seismic-reflection studies, the...
Search relevance: 18.42 | Views last month: 0 -
The bedrock geologic map database of the Woodstock quadrangle consists of highly deformed metasedimentary rocks of the Central Maine trough, including the Silurian Rangeley and Perry Mountain...
Search relevance: 17.69 | Views last month: 2 -
Iron oxide-apatite (IOA) deposits of the Adirondack Mountains of New York locally contain elevated REE concentrations (e.g. Taylor and others, 2019). Critical to evaluating resource potential is...
Search relevance: 17.02 | Views last month: 0 -
The geologic map database of the Great Smoky Mountains National Park region of Tennessee and North Carolina is a result from studies from 1993 to 2003 as part of a cooperative investigation by the...
Search relevance: 14.49 | Views last month: 0 -
The database for the Preliminary Geologic Map of the Cherry Hill Quadrangle, Dinwiddie, Sussex, and Greensville Counties, Virginia geographically straddles the Coastal Plain and Piedmont Provinces...
Search relevance: 12.68 | Views last month: 0 -
The geodatabase for the Charlotte 1 degree × 2 degrees quadrangle by Goldsmith and others (1988) was compiled in the Geologic Map Schema (GeMS). The geologic map extends across four lithotectonic...
Search relevance: 12.34 | Views last month: 1 -
The 1:100,000-scale geologic map of the South Boston 30' x 60' quadrangle, Virginia and North Carolina, provides geologic information for the Piedmont along the I-85 and U.S. Route 58 corridors...
Search relevance: 5.75 | Views last month: 2
