Results 21 to 30 of about 138,296 (212)

Geology of the Imdr Regio area of Venus

open access: yesJournal of Maps, 2023
We present a 1:5,000,000 geological map of the Imdr Regio area of Venus. Geological mapping was conducted using synthetic aperture radar (SAR) images, altimetry and stereo-derived topography data from NASA's Magellan mission.
Iván López   +4 more
doaj   +1 more source

Surficial geology of the Saybrook 7.5-minute Quadrangle, Mclean County, Illinois, USA

open access: yesJournal of Maps, 2017
This project involved the construction of a surficial (Quaternary) geologic map of part of McLean County, Illinois. The Saybrook 7.5-minute Quadrangle (scale 1:24,000) was the focus area.
Ellyn S. Rickels   +3 more
doaj   +1 more source

Hyperspectral Reconnaissance: Joint Characterization of the Spectral Mixture Residual Delineates Geologic Unit Boundaries in the White Mountains, CA

open access: yesRemote Sensing, 2022
We use a classic locale for geology education in the White Mountains, CA, to demonstrate a novel approach for using imaging spectroscopy (hyperspectral imaging) to generate base maps for the purpose of geologic mapping.
Francis J. Sousa, Daniel J. Sousa
doaj   +1 more source

A Comprehensive Geologic Framework of the National Crustal Model for Seismic Hazard Studies in the Conterminous United States [PDF]

open access: yesLithosphere
A three-dimensional (3D) geologic framework has been developed for the conterminous United States (U.S.) as part of the U.S. Geological Survey National Crustal Model to enhance seismic hazard modeling. The geologic framework is created from geologic maps
Oliver S. Boyd, Donald S. Sweetkind
doaj   +1 more source

The geology of the Navua Valles region of Mars

open access: yesJournal of Maps, 2018
The Navua Valles are a system of channels and valleys on the inner rim of Hellas Basin. The aim of this mapping study was to determine the geologic history of the Navua Valles region; and the relationships between the basement, flow, and channel units ...
H. I. Hargitai   +2 more
doaj   +1 more source

Detailed geomorphological map sheet Bela Palanka at scale 1:100,000 [PDF]

open access: yesGlasnik Srpskog Geografskog Društva, 2011
The Geomorphological Map Sheet Bela Palanka is a graphical representation of landforms in the area covered by the Topographical Map Sheet Bela Palanka at scale 1:100,000.
Menković Ljubomir
doaj   +1 more source

The Unnamed Plateau (Western Desert of Egypt). New geological and geoarchaeological data from an exploration in a remote area

open access: yesNatural History Sciences, 2023
The Unnamed Plateau is a low plateau in the Western Desert of Egypt close to the Libyan border, about halfway between the Gilf Kebir to the north and Jebel Uweinat to the south. It is little known and seldom visited. In the past, we have conducted three
Maria Emilia Peroschi, Flavio Cambieri
doaj   +1 more source

Geologic interpretation of a radar mosaic of Yellowstone National Park [PDF]

open access: yes, 1969
Geologic mapping of Yellowstone National Park area by interpretation of radar ...
Prostka, H. J.
core   +2 more sources

Geology of Piemonte region (NW Italy, Alps–Apennines interference zone)

open access: yesJournal of Maps, 2017
The geological map of Piemonte Region (Italy) is a graphic representation of the geology of the region, grounded on a large geodatabase, that can be also browsed as an interactive scalable map (GeoPiemonte Map) using a WebGIS application.
F. Piana   +10 more
doaj   +1 more source

Occurence and Habits of Somatochlora Incurvata, New for Pennsylvania (Odonata: Corduliinae) [PDF]

open access: yes, 2017
Excerpt: On July 21, 1969, two males and three females of the little-known species Somatochlora incurvata Walker were taken by the author at a tamarack bog in Clinton County, Pennsylvania.
Shiffer, Clark N.
core   +2 more sources

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