Optical dating of granite stone surfaces

Moreover EDX and XRD techniques were used for defining the chemical and mineralogical compositions of collected samples.Lastly, Arc GIS program was used as a tool for simulation description of red weathering symptom to evaluate their aggressive roles in the deterioration processes affecting the object.

Strictly speaking, granite is an igneous rock with between 20% and 60% quartz by volume, and at least 35% of the total feldspar consisting of alkali feldspar, although commonly the term "granite" is used to refer to a wider range of coarse grained igneous rocks containing quartz and feldspar.

Barrier Canyon-style (BCS) pictographs of the Colorado Plateau are among the most debated examples; hypotheses about its age span the entire Holocene epoch and previous attempts at direct radiocarbon dating have failed.

We provide multiple age constraints through the use of cross-cutting relations and new and broadly applicable approaches in optically stimulated luminescence dating at the Great Gallery panel, the type section of BCS art in Canyonlands National Park, southeastern Utah.

Here, red weathering, one of the most aggressive deterioration forms affecting one of the most famous archaeological sites in the world (Un-finished Obelisk in Aswan) was investigated and evaluated through different analytical techniques.

Binuclear Microscop and SEM were used to evaluate the optical and morphological features of the highly deteriorated samples.


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