Found 175 datasets matching "U.S.A".
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These 40Ar/39Ar thermochronologic data for biotite, hornblende, and K-feldspar from Butte granite country rock are for the study of the Butte mining district, U.S.A. Results of the study are...
Search relevance: 87.28 | Views last month: 0 -
These data are U-Pb sensitive high-resolution ion microprobe (SHRIMP) geochronology data from quartz porphyry dikes for the study of the Butte mining district, U.S.A. Results of the study are...
Search relevance: 83.03 | Views last month: 0 -
These 40Ar/39Ar thermochronologic data for white mica and K-feldspar from alteration zones around lode veins are for the study of the Butte mining district, U.S.A. Results of the study are...
Search relevance: 82.17 | Views last month: 0 -
Backscatter electron (BSE) and panchromatic cathodoluminescent (CL) imagery of minerals from samples dated by 40Ar/39Ar are for the study of the Butte mining district, U.S.A. Results of the study...
Search relevance: 82.06 | Views last month: 1 -
This data set provides forest age map products at 1-km resolution for Canada and the United States (U.S.A.). These continental forest age maps were compiled from forest inventory data, historical...
Search relevance: 78.14 | Views last month: 0 -
This dataset includes tables of stratigraphic age-depth information for Paisley Caves 2 and 5, in Oregon U.S.A., along with tables of stable and strontium isotopic data for fish remains and...
Search relevance: 71.70 | Views last month: 0 -
This data set contains one data file (.csv format) that quantifies net primary productivity (NPP) as a function of rainfall in mesic to wet montane rainforests on the island of Maui, Hawaii,...
Search relevance: 71.47 | Views last month: 0 -
The following report summarizes the dating results from the. Within this report, we detail the methodology used to determine the storage time distribution for a 17 km length of Powder River in...
Search relevance: 71.23 | Views last month: 0 -
Mineral abundances within bulk and size-fractionated mine waste from sampled historical waste piles from the Tar Creek Superfund Site, Oklahoma, U.S.A., were determined by Mineral Liberation...
Search relevance: 69.72 | Views last month: 2 -
This dataset contains estimated total organic carbon (TOC) calculated using the delta log R (dlogR) method, developed by Passey and others (1990), within BasinMod modeling software for the...
Search relevance: 68.58 | Views last month: 2 -
Data to support carbon (C) budget assessment of tidal freshwater forested wetland and oligohaline marsh ecosystems along the Waccamaw and Savannah rivers, U.S.A. This work represents the first...
Search relevance: 68.29 | Views last month: 0 -
Site information and field-collected data from a 1-year 100-site survey of leafy spurge (Euphorbia virgata/esula) populations in the northern U.S. Data include: 1) estimates of leafy spurge...
Search relevance: 65.55 | Views last month: 0 -
These data are for a multidisciplinary study of dikes, country rock, and alteration systems, Butte, U.S.A. Results of the study are described and interpreted in Lund and others (2018). Data...
Search relevance: 58.94 | Views last month: 0 -
This data release and accompanying spreadsheet illustrate the ecosystem scale selenium model for Lake Koocanusa described in USGS Open-File Report 2020-xxxx, "Understanding and Documenting the...
Search relevance: 55.20 | Views last month: 0 -
The U.S. Geological Survey (USGS) Coral Reef Ecosystems Studies (CREST) project (https://coastal.er.usgs.gov/crest/) provides science that helps Department of Interior and other resource managers...
Search relevance: 51.82 | Views last month: 1 -
Animal identification number, weight in grams for carcasses of California tiger salamanders (Ambystoma californiense) CTS and Santa Cruz long-toed salamander (Ambystoma macrodactylum croceum) SCLT...
Search relevance: 51.61 | Views last month: 0 -
This data release is a compilation of information for hydrologic characteristics of groundwater and surface water within Clark County, South Dakota and around selected lakes (Dry Lake #1 and #2,...
Search relevance: 50.36 | Views last month: 0 -
The data set includes the macroinvertebrate metrics calculated by IDAS software (Cuffney 2003, USGS OFR 03-172) for the Midwest Stream Quality Assessment (MSQA). Invert data is taxonomic data that...
Search relevance: 48.20 | Views last month: 0 -
Cores from living coral colonies were collected from Dry Tortugas National Park, Florida, to obtain skeletal records of past coral growth and allow geochemical reconstruction of environmental...
Search relevance: 46.86 | Views last month: 0 -
Above- and belowground production in coastal wetlands are important contributors to carbon accumulation and ecosystem sustainability. As sea level rises, we can expect shifts to more salt-tolerant...
Search relevance: 46.40 | Views last month: 1
