Results 61 to 70 of about 5,243 (171)

Base metal mineralisation associated with Ordovician shales in south-west Scotland [PDF]

open access: yes, 1984
Several narrow, lenticular belts of black cherty mudstone and siltstone (the Moffat Shales), alternating with thick greywacke sequences, strike north-east to south-west across Galloway with uniformly steep dip.
Jones, R.C., Leake, R.C., Stone, P.
core  

Calibration, Validation and Evaluation of Machine Learning Thermobarometers in Metamorphic Petrology: An Application to Biotite and Outlook for Future Strategy

open access: yesJournal of Metamorphic Geology, Volume 43, Issue 8, Page 755-780, October 2025.
ABSTRACT Geothermobarometry provides crucial constraints on the physical conditions of metamorphism, offering insights into petrogenetic processes and providing key information on thermal regimes and metamorphic depths to other geological disciplines.
Philip Hartmeier   +2 more
wiley   +1 more source

Zn-Pb-Cu sulfide-bearing glacial sandstone erratics near Raahe on the western coast of Finland: Indicators of Paleozoic base metal mineralization at the bottom of the Bothnian Bay [PDF]

open access: yesBulletin of the Geological Society of Finland, 2019
Over the past tens of years, glacial sandstone erratics variably enriched in Zn, Pb and Cu have been collected from the coast south of Raahe, but their source has remained ambiguous.
Eero Hanski   +7 more
doaj   +1 more source

The Distribution of Major and Trace Elements Across a Garnet Population From the Kalak Nappe Complex (Finnmark, Scandinavian Caledonides): Evidence for Size‐Dependent Growth and Compositional Equilibration in the Garnet Zone

open access: yesJournal of Metamorphic Geology, Volume 43, Issue 6, Page 613-640, August 2025.
ABSTRACT A garnet population from the lower Kalak Nappe Complex in Finnmark (Arctic Norway) was characterized using high‐resolution X‐ray micro‐computed tomography, electron probe micro‐analysis and laser ablation inductively coupled plasma mass spectrometry mapping to assess the extent of compositional equilibration and the controlling crystallization
M. T. A. G. Yogi   +3 more
wiley   +1 more source

COSC-1 – drilling of a subduction-related allochthon in the Palaeozoic Caledonide orogen of Scandinavia [PDF]

open access: yesScientific Drilling, 2015
The Collisional Orogeny in the Scandinavian Caledonides (COSC) scientific drilling project focuses on mountain building processes in a major mid-Palaeozoic orogen in western Scandinavia and its comparison with modern analogues.
H. Lorenz   +12 more
doaj   +1 more source

Rifting in heterogeneous lithosphere inferences from numerical modeling of the northern North Sea and the Oslo Graben. [PDF]

open access: yes, 2002
Permian rifting and magmatism are widely documented across NW Europe. The different Permian basins often display contrasting structural styles and evolved in lithospheric domains with contrasting past evolution and contrasting thermotectonic ages.
Andersen   +84 more
core   +3 more sources

Exhumation Mechanisms of High‐Pressure Rocks With High‐Temperature Overprinting: Insights From Eclogites of the Baie Verte Peninsula, Newfoundland

open access: yesJournal of Metamorphic Geology, Volume 43, Issue 5, Page 497-521, June 2025.
ABSTRACT This study presents a comprehensive examination of exceptionally preserved eclogites from the Baie Verte Peninsula, Newfoundland Appalachians, which display a high‐temperature overprint, thus offering insights into the metamorphic evolution and exhumation mechanisms of such terrains. Through an integrated approach combining field observations,
Ludovico G. Scorsolini   +4 more
wiley   +1 more source

The COSC-2 drill core and its well-preserved lower Palaeozoic sedimentary succession – an unexpected treasure beneath the Caledonian nappes [PDF]

open access: yesEstonian Journal of Earth Sciences
The Collisional Orogeny in the Scandinavian Caledonides (COSC) project focuses on processes related to the closure of the Iapetus Ocean, causing the Ordovician–Silurian continent–continent collision between Baltica and Laurentia.
Oliver Lehnert   +18 more
doaj   +1 more source

Conodont biostratigraphy of the Crawford Group, Southern Uplands, Scotland [PDF]

open access: yes, 2002
Extensive new conodont collections from the Crawford Group, the oldest succession in the Southern Uplands of Scotland, support the previously documented biostratigraphical ages for the included formations.
Armstrong, Howard A.   +3 more
core   +1 more source

East Tauern Detachment System: Coupled Oligocene Ductile Thinning and Miocene Extension of the Eastern European Alps

open access: yesTectonics, Volume 44, Issue 5, May 2025.
Abstract Differentiating between syn‐ and post‐orogenic structures is critical for determining the contribution from any one mechanism toward net exhumation. In the Tauern Window of the Eastern Alps, new mapping in its northeastern region reveals significant deformation associated with W–E extension and a component of N–S shortening.
Jennifer Spalding   +4 more
wiley   +1 more source

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