Optical dating of granite stone surfaces

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AGATE – A variegated type of quartz showing colored bands or other markings (clouded, moss-like, etc.).

AGGREGATE – The sand, gravel or stone which is mixed with cement and water to make concrete.

ABACUS – The uppermost component of a classical column, most often a plain square slab but sometimes embellished.

ACROPOLIS – Elevated symbolic center of a Greek city-state, bringing together its most important sacred and civic buildings in one urban space, invariably on a high plateau.

The warm, expressive structure of this South American natural stone brings the power of prehistoric times to the center of your life.

Archaic and untamed, it mixes well with conventional kitchen planning.

AMPHITHEATER – A circular or elliptical arena enclosed by rising tiers of stone seats around a central open area used by the Romans for circuses and gladiatorial contests.

In addition, increasing the weathering products, such as, microcrystalline matrix and salty products (tosudite, kaolinite, illite and gypsum) defined and calculated both in affected and none affected areas.

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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.

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.

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