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HISTORY AND MORPHOLOGY

GOLDENRIVER or Calcari Grigi di Noriglio (Aalenian and Toarcian era).
The GOLDENRIVER formation is characterized by limestone, oolitic calcarenites, pellet limestone, Lithiotis and Lumachella limestone, divided into layers between 20 cm to 2 metres deep and separated by grey/dark green marlstones rich in vegetable remains. The rock aspect is microcrystalline and the colour varies from light grey to walnut, dark green and white. The upper part of the formation displays typical Lithiotis banks.

GIALLO REALE (Middle Jurassic era).
The rock morphology of this marble is characterized by striking variations in facies and thickness. The most widespread facies is the oolitic calcarenites with a colour that may vary from dark/light yellow to white sometimes with reddish shades, divided into layers from 30 to 70 centimetres deep and rich in fossil microfauna such as crinoids, brachiopods, bivalves and residues of calcareous sponges.

ROSSO VERONA or Rosso Ammonitico (Late Jurassic era/ Early Cretaceous).
The formation of Rosso Ammonitico is superior from a stratigraphic point of view to the formation of oolitic limestone from which Giallo reale and Goldenriver are extracted. Its estimated power is 25 meters and is divided into two sections Rosso Ammonitico Inferiore and Rosso Ammonitico Superiore.
The Rosso Ammonitico Inferiore is made of nodular limestone divided into decimetric layers rich of macro and microfossils of red pinkish colour, sometimes also yellow, walnut or white with dark green shades. The Rosso Ammonitico Superiore is made up of red nodular limestone densely stratified and pinkish micritic limestone with conchoid fractures (coral pink).