Aggreco

Aggreco is natural stone supplier based in Portugal that supplies granite, limestone, marble, slate and others stones for interior and exterior environments

Feldspar Processing | Equipment, Flow, Cases

Feldspar is mined from large granite bodies (called plutons by geologists), from pegmatites (formed when the last fluid stages of a crystallizing granite become concentrated in …

ALVARRÕES | Lepidico

Alvarrões is located near the city of Guarda (left) in northeastern Portugal in an area of peraluminous S-type granites and Palaeozoic greywacke of the Central Iberian Zone (right). …

Feldspars & Quartz – MCS PORTUGAL

At almost 250,000 tonnes per annum, MCS is a leading company in the extraction and processing of feldspar and quartz in Portugal. With quarries and mineral rights to over 25 mining concessions, the Group is a reliable and sustainable …

Distribution of trace elements in feldspars of granitic aplites …

Thirty-four samples of K-feldspar and 34 of albite from these veins and host granites were analysed to establish the distribution of elements and their fractionation trends in the sequence …

Granite quarry

From our granite quarry in Alpendurada, we extract a highly resistant grey/ blueish granite with low water absorption. Among the granite quarries in Portugal, the region of Alpendurada and …

Granite Crushing Process

The granite crushing process involves three stages: coarse crushing -> medium fine crushing -> screening. The granite sand-making process includes four stages: coarse crushing -> medium …

Role of Variscan granites in the genesis of Freixo de Numão …

Cachão de Arnozelo granite (CAG) is the most representative granite (~ 15 km 2) and is characterized by two-mica (muscovite I > biotite), coarse-grained, porphyritic granite. …

Quarry

Grey Alpendurada granite is a grey / bluish material of two medium-grain micas and some elongated feldspar crystals, with large quality, versatility, beauty and elegance. Its physical …

Quarries

One of our country's noblest and best-known materials, the inimitable Rosa Porriño granite. It is a biotite granite with pinkish feldspars that perfectly accepts any surface finish without altering its …