Results 1 to 10 of about 138,296 (212)

Geologic Map of Aphrodite Map Area (AMA; I‐2476), Venus [PDF]

open access: yesEarth and Space Science, 2020
We present a 1:10‐M‐scale geologic map of the Aphrodite Map Area (AMA) of Venus (0°N–57°S/60–80°E). Geologic mapping employed NASA Magellan synthetic aperture radar and altimetry data.
V. L. Hansen, I. López
doaj   +2 more sources

Geologic Map of the Niobe Planitia Region (I‐2467), Venus [PDF]

open access: yesEarth and Space Science, 2020
We present a 1:10M scale geologic map of the Niobe Planitia region of Venus (0°N–57°N/60°E–180°E). We herein refer to this area as the Niobe Map Area (NMA). Geologic mapping employed NASA Magellan synthetic aperture radar and altimetry data.
Iván López, Vicki L. Hansen
doaj   +2 more sources

Non-affine georectification to improve the topographic fidelity of legacy geologic maps

open access: yesInternational Journal of Applied Earth Observations and Geoinformation, 2022
Field-based geologic maps, which are among the most valuable tools of communication among geoscientists, can be expensive and time-consuming to produce or manually revise.
Yichuan Zhu   +2 more
doaj   +1 more source

A geology-constrained new intelligence method of synthesizing geologic bodies

open access: yesDizhi lixue xuebao, 2021
Due to its massive content, complex processing logic and heavy repeated workload, geologic body synthesis, as the key task in the geological map compilation, is the primary factor affecting the process.
XU Ke   +4 more
doaj   +1 more source

Geologic map of the Terra Cimmeria-Nepenthes Mensae transitional zone, Mars – 1:1.45Million

open access: yesJournal of Maps, 2023
A 1:1.45Million geologic map of NW Terra Cimmeria and SE Nepenthes Mensae (-5°31’–5°38’ N, 119°20’–129°55’ E) is presented here, displaying one of the highland-lowland transitional zones of Mars with greatest contrast and diversity.
Ángel García-Arnay
doaj   +1 more source

Edwin James' and John Hinton's revisions of Maclure's geologic map of the United States [PDF]

open access: yesHistory of Geo- and Space Sciences, 2012
William Maclure's pioneering geologic map of the eastern United States, published first in 1809 with <i>Observations on the Geology of the United States</i>, provided a foundation for many later maps &ndash; a template from which ...
K. R. Aalto
doaj   +1 more source

Effect of Spatial and Spectral Scaling on Joint Characterization of the Spectral Mixture Residual: Comparative Analysis of AVIRIS and WorldView-3 SWIR for Geologic Mapping in Anza-Borrego Desert State Park

open access: yesSensors, 2023
A geologic map is both a visual depiction of the lithologies and structures occurring at the Earth’s surface and a representation of a conceptual model for the geologic history in a region.
Jeffrey Price   +2 more
doaj   +1 more source

Geologic quadrangle map no. 47 [PDF]

open access: yes, 1978
Process Steps: 1. Either: a) a Portable Document Format (PDF) version of the map provided the Bureau of Economic Geology, University of Texas at Austin was converted from pdf to Tagged Image File Format (TIFF) or b) a paper map was scanned and saved in ...
Barnes, Virgil E. (Virgil Everett), 1903-1998
core   +1 more source

Improving understanding of groundwater flow in an alpine karst system by reconstructing its geologic history using conduit network model ensembles [PDF]

open access: yesHydrology and Earth System Sciences, 2023
Reconstructing the geologic history of a karst area can advance understanding of the system's present-day hydrogeologic functioning and help predict the location of unexplored conduits.
C. Fandel   +4 more
doaj   +1 more source

Economic valuation of health benefits from using geologic data to communicate radon risk potential

open access: yesEnvironmental Health, 2020
Background Radon exposure is the second leading cause of lung cancer worldwide and represents a major health concern within and outside the United States. Mitigating exposure to radon is especially critical in places with high rates of tobacco smoking (e.
Scott J. Chiavacci   +7 more
doaj   +1 more source

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