Silicon dioxide (silica), a very common rock-forming mineral. It is seen as glassy, colourless grains in rocks such as granite and sandstone, producing sandy soils of low fertility. It also occurs as opaque white veins filling gashes in bedrocks, which weathering loosens into fragments that become the milky white pebbles seen in many vineyards soils.
Much-discussed term for the total natural evironment of any viticultural site. Major components of terroir are soil, and local topography, macroclimate, mesoclimate and microclimate.
Is the name used by winemakers for a thick liquid that is neither grape juice nor wine but the intermediate, a mixture of grape juice. Stem fragments, grape skins, seeds, and pulp that comes from the crusher-destemmer that smashes grapes at the start of the winemaking process.
French term meaning "bled" for a winemaking technique which results in a rosé wine made by running off, or "bleeding", a certain amount of free-run juice from just-crushed dark-skinned grapes after a short, prefermentation maceration.
Small village in the Côte de Nuits district of Burgundy producing red wines from the Pinot Noir grape. The name is derived from the diminutive of Vouge, a small stream flowing through the village. The village's fame rests squarely with the 50.6 ha Grand Cru, Clos de Vougeot.
Microscopic, single-celled fungi, having round to oval cells which reproduce by forming buds, are vital to the alcoholic fermentation process, which, starved of oxygen, transforms grape juice to wine.
Italian term meaning literally "repassed", for the technique of adding extra flavour, and alcohol, to Valpolicella by refermenting the young wine on the unpressed skins of Amarone wines after these dried-grape wines have finished their fermentation in the spring, and racked off.
Attractive small village in the Côte de Beaune district of Burgundy's Côte d'Or producing elegant red wines from Pinot Noir. The wines of Volnay were celebratet under the ancien régime for their delicacy.
A fortified wine made by adding brandy to arrest fermenting grape must which results in a wine, red and sometimes white, that is both sweet and high in alcohol.
Town north of Perpignan in southern France that gives ist name to two of the biggest appellations of Roussillon, Rivesaltes and Muscat de Rivesaltes, both of them vins doux naturels.
Are the dissolved inorganic constituents of vines, grapes and wine, often called nutrients, and primarily obtained from geological minerals in the groung.
