Results 61 to 70 of about 64,276 (302)

“And Hence Have Been a Thousand Mistakes”: Marble or Alabaster? Resolving an Old Problem of Material Identification with Ultra-Portable Near-Infrared Spectroscopy

Heritage
Gypsum alabaster as material for European sculpture emerged in the 12th century and soon rivalled marble due to its accessibility, ease of sculpting, and aesthetic qualities.
Wolfram Kloppmann, Aleksandra Lipińska, Olivier Rolland   +2 more
doaj   +1 more source

Probabilistic prediction of rate‐dependent rock strength using natural gradient boosting and Gaussian process regression

Deep Underground Science and Engineering, EarlyView.
Probabilistic natural gradient boosting and Gaussian process regression models accurately predict rate‐dependent rock strength across lithologies. Static strength and strain rate dominate, while geometric factors have minimal influence, enabling interpretable and uncertainty‐aware predictions for dynamic geomechanical applications. Abstract The dynamic
Hadi Fathipour‐Azar
wiley   +1 more source

Comparative assessment of the acoustic activity and the Pressure Stimulated Voltage in marble specimens under compression

Fracture and Structural Integrity
The temporal evolution of the electric activity generated in marble specimens under uniaxial compression is analyzed and quantified in terms of the Pressure Stimulated Voltage (Electric Potential) developed.
Stavros K. Kourkoulis, Ermioni D. Pasiou, Dimos Triantis, Ilias Stavrakas   +3 more
doaj   +1 more source

The Georgia Marble Company magazine

, 2019
The Georgia Marble Company ...
Georgia Marble Company
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Explainable hybrid stacking ensemble method for hard rock pillar stability prediction and engineering applications

Deep Underground Science and Engineering, EarlyView.
This research proposes an interpretable hybrid stacking ensemble framework, optimized by the Sparrow Search Algorithm, to enhance hard rock pillar stability prediction. By integrating six machine learning models—k‐nearest neighbors, support vector machines, random forests, Gradient Boosting Decision Tree, eXtreme Gradient Boosting, and Light Gradient ...
Ning Wang, Guoyan Zhao, Meng Wang, Taraka Pattela   +3 more
wiley   +1 more source

"The History of Georgia Marble" booklet

, 2000
The History of Georgia Marble ...
Georgia Marble Company
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Perceptions of Governance (Il)Legitimacy Mediate Climate Change Adaptation in the Lake Victoria Basin, Uganda

Environmental Policy and Governance, EarlyView.
ABSTRACT Governance is a well‐known dimension of adaptive capacity across various frameworks, however specific links between perceptions of governance (il)legitimacy and adaptive capacity remain relatively unexplored. In this study, we investigate connections between climate change adaptation and perceptions of governance (il)legitimacy using focus ...
Emma D. Rice, Jonathan G. Low, Molly Atkins, Bwambale Mbilingi, Veronica Mpomwenda, Laban Musinguzi, Vianny Natugonza, Fiona Nunan, Elizabeth A. Nyboer   +8 more
wiley   +1 more source

A Reassessment of Petrochemistry of ~1.2 Ga Tonalitic Rocks of the Northern Tugela Terrane, Natal Metamorphic Belt, South Africa: Further Constraints on the Evolution of This Belt

Geological Journal, EarlyView.
Our petrochemical studies on ~1.2 Ga granitoids of the Natal Metamorphic Belt, South Africa, do not suggest any property similar to Phanerozoic‐style subduction‐related granitoids. Plot of Kotongweni Tonalite in Y versus Sr diagram (after Moyen 2011), note that most samples have Sr/Y < 50.
Palesa Leuta, Saumitra Misra, Thembiso O. Basupi   +2 more
wiley   +1 more source

Characterization of mineral wools obtained from ornamental rock wastes

REM: International Engineering Journal
The study aimed to characterize the mineral wools obtained from wastes of the cutting step of marble and granite, in order to evaluate the possibility of their use on an industrial scale. Mixtures of marble and/or granite wastes were prepared in order to
Joner Oliveira Alves, Eduardo Junca, Felipe Fardin Grillo, Girley Ferreira Rodrigues, Denise Crocce Romano Espinosa, Jorge Alberto Soares Tenório   +5 more
doaj   +1 more source

Multiple Property Nomination, Tennessee Marble Industry

, 2013
This Multiple Property Submission is based in part on a historic architectural and cultural resources survey conducted during 2012-2013 by Carroll Van West, architectural historian, and Susan W. Knowles, public historian.
Knowles, Susan W., West, Carroll Van
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