Results 111 to 120 of about 32,961 (360)

Mortars From Punic and Hellenistic–Roman Solunto: Materials, Formulations, and Technology

open access: yesArchaeometry, EarlyView.
ABSTRACT This study presents an archaeometric investigation of 18 hydraulic rendering and bedding mortars from Punic and Hellenistic–Roman Solunto (NW Sicily). The research aimed to characterize raw materials, reconstruct manufacturing sequences, and evaluate technological proficiency through mineralogical and petrochemical analyses.
G. Montana   +4 more
wiley   +1 more source

Magnetic Anisotropy in Single Crystals: A Review

open access: yesGeosciences, 2018
Empirical relationships between magnetic fabrics and deformation have long served as a fast and efficient way to interpret rock textures. Understanding the single crystal magnetic properties of all minerals that contribute to the magnetic anisotropy of a
Andrea R. Biedermann
doaj   +1 more source

Feldspar crystallisation in felsic magmas: a review

open access: yes, 1992
Understanding the controls on the evolution of natural feldspars is greatly assisted by coupling experimental determinations of feldspar/melt equilibria with thermodynamic modelling and the calculation of crystallisation paths.
Hanna Nekvasil
core   +1 more source

Out in the cold? A review of Early Middle Palaeolithic settlements in northern Central Europe, age data and geological preconditions for site formation and preservation

open access: yesBoreas, EarlyView.
The characteristics of settlement of Neanderthals in northern Central Europe during the earlier phases of the Middle Palaeolithic (Marine Isotope Stage 8–6) have been a matter of debate for decades, specifically regarding the population dynamics at such latitudes during the coldest phases. In this paper, we review the known archaeological record of the
Gianpiero Di Maida   +5 more
wiley   +1 more source

PROSPECTS FOR THE INTEGRATION OF QUARTZ-FELDSPAR CONCENTRATE OBTAINED FROM KAOLIN ENRICHMENT INTO CERAMIC PRODUCTION PROCESSES

open access: yes
. The paper examin es the potential use of quartz feldspar concentrate obtained as a result of kaolin enrichment to meet the growing demand for quartz feldspar materials, which are essential components in the production of ceramic tiles, sanitary ...
Serhiy Bashynsky   +2 more
core   +1 more source

OSL-thermochronometry of feldspar from the KTB borehole, Germany [PDF]

open access: yes, 2015
The reconstruction of thermal histories of rocks (thermochronometry) is a fundamental tool both in Earth science and in geological exploration. However, few methods are currently capable of resolving the low-temperature thermal evolution of the upper ∼2 ...
Murray, A.S.   +43 more
core   +1 more source

Refining the timing of Middle Pleistocene (MIS 12 to MIS 6) ice advances into northern central Europe: sedimentological analysis and single‐grain luminescence dating of glaciotectonic complexes and tunnel‐valley fills

open access: yesBoreas, EarlyView.
We summarize the current state of knowledge on the age of the Middle Pleistocene ice advances into northern central Europe and provide 25 new single‐grain feldspar luminescence ages of Elsterian and Saalian glacigenic sediments to constrain the age of the ice advances and their tentative correlation with marine isotope stages/substages.
Niklas von Soest   +10 more
wiley   +1 more source

Chironomid‐based summer temperature reconstruction of the Eemian–Weichselian transition at Lichtenberg, northern Germany

open access: yesBoreas, EarlyView.
Understanding the temperature variability of past interglacial cycles is essential to predict future climates. We present a new summer temperature reconstruction, based on the subfossil chironomid record from a small palaeolake adjacent to the Middle Palaeolithic site of Lichtenberg, northern Germany. The record spans from the Saalian late glacial over
Sonja Rigterink   +10 more
wiley   +1 more source

Tensile and Physical Properties of Unsaturated Polyester/Potash Feldspar Composites: The Effect of Potash Feldspar Loading [PDF]

open access: yes, 2018
Link to publisher's homepage at https://iopscience.iop.org/In order to reduce the cost and improve the performance of potash feldspar (PF)/unsaturated polyester (UP) composites, the effects of potash feldspar loading towards mechanical, physical, and ...
Nik Noriman, Zulkepli   +6 more
core  

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