Douglas B. Yager
Geology, Geophysics, and Geochemistry Science Center, Denver, CO
Activity
2022
-
ELECTROMAGNETIC DATA FOR SUBSURFACE IMAGING OF ARRASTRA GULCH, SAN JUAN COUNTY, COLORADO: IMPLICATIONS FOR LAND-USE MANAGEMENT DECISIONS
T203 Applications of Geophysics to Solve Near-Surface Geological Problems (Posters)Tuesday, 11 October 20222:00 PM - 6:00 PMExhibit Hall F
-
GIS AND MORPHOMETRIC ANALYSES OF HYDROLOGIC BASINS FOR INVESTIGATING VARIABLES INFLUENCING GEOLOGIC SOURCES OF METALS ALONG THE SAN JUAN RIVER THROUGH NAVAJO NATION
T22 Challenges to Tribal Water Resources and the Health of Indigenous Communities in North America (Posters)Sunday, 9 October 20229:00 AM - 1:00 PMExhibit Hall F
2019
-
SHALLOW TO DEEP RESISTIVITY INVESTIGATIONS FOR GROUNDWATER AND MINERAL DEPOSIT SYSTEMS IN THE SAN JUAN AND SILVERTON CALDERA COMPLEX, COLORADO
107 D10. Recent Advances in Geophysics/Geodynamics (Posters)Monday, 23 September 20199:00 AM - 6:30 PMHall AB, North Building
2018
-
PROGRESS TOWARDS CONSTRUCTING A 3-DIMENSIONAL GEOLOGICAL AND GEOPHYSICAL MODEL OF THE SAN JUAN AND SILVERTON CALDERAS, OURAY, SAN JUAN, AND SAN MIGUEL COUNTIES, COLORADO
T142 Geologic Mapping in the Twenty-First Century: Innovative Applications of Technology and Strategies to Aid Field-Based StudiesMonday, 5 November 20181:30 PM - 5:30 PMRoom 242
-
NEW GEOCHEMICAL AND GEOGRAPHIC INFORMATION SYSTEM METHODOLOGIES TO ASSESS ELEMENT MOBILITY IN GROUNDWATER
60 Understanding Water Resources related to Mineralized Uranium Deposits in the Southwestern United StatesThursday, 17 May 20188:20 AM - 10:05 AMKaibab Room
2016
-
IDENTIFICATION OF AREAS WITH CRITICAL MINERALS RESOURCE POTENTIAL IN SIX GROUPS OF MINERAL DEPOSIT TYPES IN ALASKA
318 Economic Geology (Posters)Wednesday, 28 September 20169:00 AM - 6:30 PMExhibit Hall E/F
-
MODELING OF CARNOTITE PRECIPITATION FROM OGALLALA AQUIFER GROUNDWATER, TEXAS PANHANDLE, USA
T181 Geologic Energy Research ITuesday, 27 September 20168:00 AM - 12:00 PMRoom 506
-
INTEGRATED STUDIES OF THE UPPER ANIMAS RIVER WATERSHED 1996-2001: RELEVANCE TO THE 2015 GOLD KING MINE RELEASE
T8 The Animas River and Beyond: Balancing Science and Policy in Cleaning up America’s Abandoned Mine LandsSunday, 25 September 20168:00 AM - 12:00 PMRoom 403
2015
-
ELEMENTAL DISTRIBUTION IN THE ALASKAN LANDSCAPE
3 Metalloids and Other Geogenic Contaminants in the EnvironmentMonday, 11 May 20158:00 AM - 12:00 PMRoom 116
2010
-
A GIS AND STATISTICAL APPROACH TO AID IN WATER QUALITY PREDICTION IN MINERALIZED TERRAIN
T87 Integrated Approaches to Modeling Geochemical, Hydrological, and Ecological Processes in Watersheds IMonday, 1 November 20108:00 AM - 12:00 PMRoom 207
-
WATERSHED-SCALE MODELING APPROACH IN MINERALIZED AREAS
T87 Integrated Approaches to Modeling Geochemical, Hydrological, and Ecological Processes in Watersheds IMonday, 1 November 20108:00 AM - 12:00 PMRoom 207
-
HIGH TOTAL ORGANIC SOIL CARBON (TOSC), LOW DISSOLVED ORGANIC CARBON (DOC) AND BLACK CARBON (BC) HORIZONS, SAN JUAN MOUNTAINS, COLORADO: IMPLICATIONS FOR ENHANCED NATURAL TERRESTRIAL CARBON SEQUESTRATION (NTS) LAND USE MANAGEMENT AND RECLAMATION PROTOCOLS
T62 Pyrogenic Black Carbon, or Biochar, in Soils and Sediments, Its Characterization and Fate—Its Effects On the Carbon Cycle and Carbon Sequestration, and Its Effects on Soil PropertiesSunday, 31 October 20101:30 PM - 5:30 PMRoom 601
2009
-
GIS AND STATISTICAL ANALYSIS OF WATERSHED PHYSICAL CHARACTERISTICS, SILVERTON MINING AREA, SAN JUAN COUNTY, COLORADO
T251 Contaminant Hydrogeology: Contaminant Fate and Transport in Geological Systems (Posters)Wednesday, 21 October 20099:00 AM - 6:00 PMHall A
-
DETERMINING CARBON FLUX IN A SUB-ALPINE FOREST ECOSYSTEM, ANIMAS RIVER WATERSHED, SAN JUAN MOUNTAINS, COLORADO
T102 Climate Signals in Rivers and Streams (Posters)Monday, 19 October 20099:00 AM - 6:00 PMHall A
2005
-
A RELATIONAL DATABASE FOR MIOCENE TO HOLOCENE IGNEOUS ROCKS OF THE GREAT BASIN, WESTERN USA: IMPLICATIONS FOR PETROGENESIS AND MINERAL DEPOSIT RESEARCH
T188 Great Basin Tectonics and MetallogenyTuesday, 18 October 20051:30 PM - 5:30 PM
-
TOPOGRAPHIC, GEOPHYSICAL, AND MINERALOGICAL CHARACTERIZATION OF GEOLOGIC STRUCTURES USING A STATISTICAL MODELING APPROACH, UPPER ANIMAS RIVER WATERSHED, COLORADO
T7 Advances in Geophysics and New Techniques: Lithospheric and Crustal Architecture, Ore Deposit Visualization, and New Technologies in Analytical Techniques and Mineral ProcessingSunday, 16 October 20058:00 AM - 10:00 AM
2004
-
AIRBORNE AND GROUND GEOPHYSICAL SURVEYS OF THE UPPER ANIMAS RIVER WATERSHED; APPLICATION TO ABANDONED MINE LAND STUDIES
T249 Geological Mapping: Providing for Successful Water and Land Resource Planning (Posters)Wednesday, 10 November 20041:30 PM - 5:30 PM
-
A SCALED RELATIONAL DATABASE DESIGN FOR ORGANIZING AND ANALYZING INFORMATION: APPLICATION TO GEOLOGY AND ORE DEPOSITS OF THE GREAT BASIN
T60 Geoinformatics and Geological Sciences: The Next Step (Posters)Sunday, 7 November 20041:30 PM - 5:30 PM
2003
-
LANDSCAPE GEOCHEMISTRY FOR THE HUMBOLDT RIVER BASIN, NORTHERN NEVADA
T18 Comprehensive Landscape Analysis—A Predictive Tool for Mapping Surficial Deposits and Their Environmental AttributesSunday, 2 November 20038:00 AM - 12:00 PM
-
GIS ANALYSIS OF THE FUNDAMENTAL GEOLOGIC, TOPOGRAPHIC, AND MINING-RELATED FACTORS THAT INFLUENCE WATER QUALITY IN THE UPPER ANIMAS RIVER WATERSHED, SILVERTON, COLORADO
2 The San Juan Mountains: A Dynamic Earth System IWednesday, 7 May 20038:30 AM - 12:00 PM
2002
-
A GIS DATA VIEWER FOR PHYSICAL AND GEOCHEMICAL CHARACTERIZATION OF ABANDONED MINE LANDS: AN EXAMPLE FROM THE ANIMAS RIVER WATERSHED, SILVERTON, COLORADO
T64 Integrated Studies of the Effects of Abandoned Mines on the EnvironmentMonday, 28 October 20028:00 AM - 12:00 PM
-
SURFICIAL GEOLOGIC MAPPING AND SEDIMENT GEOCHEMISTRY USED TO DOCUMENT PRE- AND POST-MINING CONDITIONS, ANIMAS RIVER VALLEY, COLORADO
T17 Groundwater and Hardrock MiningSunday, 27 October 20028:00 AM - 12:00 PM
-
FERRICRETE DEPOSITS-NATURAL ANALOGS OF ACID MINE-DRAINAGE PROCESSES, UPPER ANIMAS RIVER WATERSHED, COLO
T17 Groundwater and Hardrock MiningSunday, 27 October 20028:00 AM - 12:00 PM
Date Unknown
-
A MULTIDISCIPLINARY APPROACH TO SCREENING AND CHARACTERIZATION OF WEATHERED METAL-MINING WASTE PILES
58 Integrated Approaches to Water Quality Issues (Posters)
-
GEOCHEMICAL DATA FOR THE GREAT BASIN: A SUBSET OF THE USGS NEW NATIONAL GEOCHEMICAL DATABASE
T166 Great Basin Tectonics and Metallogeny (Posters)