Results 51 to 60 of about 193,193 (217)

Magnetic Dual‐Layer Equivalent Sources on the Sphere

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract The equivalent source method is widely used for processing and interpolating magnetic data, particularly in airborne surveys. However, implementations based on Cartesian coordinates present limitations at regional and global scales, where Earth curvature introduces geometric inconsistencies that affect data integration and modeling accuracy ...
Arthur Siqueira‐Macedo, Leonardo Uieda, India Uppal   +2 more
wiley   +1 more source

GIS-Driven mineral exploration: Enhancing geological insight through aeromagnetic integration [PDF]

E3S Web of Conferences
The Rehamna Variscan massif, located in the western Moroccan Meseta, is known for its geological complexity and mining potential, requiring detailed investigation to uncover its hidden resources.
Benyas Kawtar, Idrissi Assia, Qarbous Abdelmounim, Sassioui Slimane, Aarab Abdellatif, Lakhloufi Abdellah, Aitali Rajaa   +6 more
doaj   +1 more source

Ore prospects of Heibei Quzhou based on aeromagnetic anomalies [PDF]

Advances in Engineering Research, 2015
Hebei Quzhou aeromagnetic anomalies is located in near Handan Iron ore concentration area, Through the anomaly area geological structure characteristics, rock ore property and magnetic anomaly characteristics of comprehensive study, that it has the potential to Quzhou aeromagnetic anomalies further search of iron ore.
Rong Yang, Qiankun Liu
openaire   +1 more source

Porous and Permeable Crystalline Basement: Evidence for Large‐Scale Hydraulic Connectivity at Kivetty, Finland

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract Porosity and permeability in crystalline shield basement are commonly assumed to be low, yet some fault zones sustain fluid circulation over kilometer scales. Here we quantify multiscale fault‐zone connectivity at Kivetty, central Finland, by integrating legacy deep‐borehole data, including packer tests, downhole logs, and a long‐term multi ...
Daniel Carbajal‐Martínez, Michael J. Heap, Ester M. Jolis, Toni Luoto, Thierry Reuschlé, Satu Vuoriainen, Jukka Kuva, Evgenii Kortunov, Alan Bischoff   +8 more
wiley   +1 more source

Crustal structure of the eastern Acambay Graben, central Mexico, from integrated geophysical data

Revista Mexicana de Ciencias Geológicas, 2018
The Acambay graben is a ∼70 km long E–W seismically active structure located within the Trans-Mexican Volcanic Belt (TMVB). Quaternary volcanism has contributed to shaping the graben morphology and reported hydrothermal activity suggests the existence ...
Jorge Arzate, Pierre Lacan, Fernando Corbo-Camargo, Claudia Arango-Galván, Rafael Felix-Maldonado, Jesús Pacheco, Rodrigo León-Loya   +6 more
doaj   +1 more source

Why Does the Broken Hill Deposit Sit in Resistive Crust? Magnetotelluric Evidence for Metamorphic Decoupling of a World‐Class Mineral System

Journal of Geophysical Research: Solid Earth, Volume 131, Issue 9, September 2026.
Abstract The spatial association between electrical conductors and ore deposits underpins the widespread use of magnetotellurics (MT) in mineral exploration, yet not all mineral systems preserve a diagnostic conductive signature. Here, we present a high‐resolution MT study of the region hosting the world‐class Broken Hill Pb‐Zn‐Ag deposit (NSW ...
Yahya AlQahtani, Sinan Özaydın, Vasileios Chatzaras, Patrice F. Rey, Tiago Passos   +4 more
wiley   +1 more source

MRIPCN: A Cascade Network for Multisource Residual Interference in UAV Aeromagnetic Data Postprocessing

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Addressing the issue of significant strip and random interference persisting in aeromagnetic data acquired by multirotor unmanned aerial vehicle (UAVs) during terrain-following flights even after conventional processing, this article proposes a cascaded ...
Boxuan Sun, Guoqing Ma, Taihan Wang, Xiaoyu Yong, Tong Gao, Zichao Ma, Lili Li   +6 more
doaj   +1 more source

Integrated geophysical studies on the distribution of Quaternary biogenic gases in the Qaidam Basin, NW China

Petroleum Exploration and Development, 2012
Quaternary biogenic gas fields in the Sanhu area of the Qaidam Basin are characterized by gentle structures, shallow burial, weak compaction, high porosity and great bulk thickness, which determine their unique geophysical anomalies, such as the locally ...
Hui YANG, Youyan ZHANG, Dade MA, Baihong WEN, Shiyong YU, Ziyuan XU, Xiaoping QI   +6 more
doaj   +1 more source

The Parguera Fault System: Possible Quaternary Reactivation of Bedrock Faults in Southwest Puerto Rico

Tectonics, Volume 45, Issue 9, September 2026.
Abstract We present evidence of a previously unrecognized east‐west‐trending normal fault, named the Parguera Fault, in southwest Puerto Rico. The fault is located at the northwestern edge of seismicity from the southwest Puerto Rico seismic sequence that began in 2019, near the coastal town of La Parguera.
Jessica Thompson Jobe, Richard Briggs, Victor Ortega Diaz, Emerson M. Lynch, K. Stephen Hughes, Thomas Pratt, Anjana Shah, Francisco Hernandez, Chris M. Justiniano Vélez, Alberto López‐Venegas, Elizabeth Vanacore, M. Morow Tan, Harrison Gray   +12 more
wiley   +1 more source

Ductile and Brittle Rio Grande Rift Deformation in Oligocene Granite Records a Two‐Stage Rift History in Southern Colorado

Tectonics, Volume 45, Issue 8, August 2026.
Abstract The timing and nature of early deformation in the Rio Grande Rift remains poorly constrained. We present evidence for the earliest structural signature of rift extension in the Sangre de Cristo Range, southern Colorado, based on new geologic mapping, structural analysis, rock magnetic data, and thermochronology. These analyses focus on the ∼30.
Samantha Malavarca, John Singleton, Mark Hudson, Gabrielle Ursin, Jeffrey M. Rahl, Martin Wong, Miriam Primus, Hunter Broeder   +7 more
wiley   +1 more source