p pa pb pc pd pe pf pg ph pi pk pl pm pn po pp pr ps pt pu pv pw px py

Перевод: porphyry

[существительное]
порфир

Тезаурус:

1. It retains its original mosaic floor decorated with strips of marble and porphyry on a ground of multi-colour tesserae.
2. Wheal Jane - complex Sn-Cu-Zn-As sulphides at elvan (quartz porphyry) dyke contact with Devonian metasediments.
3. MRP investigations around the Cheviot granite in Northumberland have identified numerous zones of hydrothermal alteration and minor mineralisation associated with Lower Devonian andesite lavas and a high level intrusive porphyry complex (MRP 91).
4. In the same area, the Black Stockarton Moor high level intrusive complex of Caledonian age contains low-grade copper mineralisation of porphyry copper style (MRP 30).
5. MRP and company investigations around the Foreburn igneous complex, near Ayr in southern Scotland, have shown that alteration, including sericitisation and tourmalinisation, has affected zones within the complex which is composed of diorite, tonalite and feldspar porphyry.
6. A major programme was undertaken by Rio Tinto Finance and Exploration Ltd (RioFinex) between 1965 and 1973 resulting inter alia in the discovery of the Coed y Brenin porphyry copper deposit.
7. Very low-grade disseminated copper mineralisation may reflect the eroded deep levels of a copper porphyry system.
8. Mineralisation occurred in North Wales during the Lower Palaeozoic with the formation of the Coed y Brenin porphyry copper deposit in Cambrian diorite and the Parys Mountain Cu-Pb-Zn volcanogenic massive sulphide deposit in Ordovician volcanic and sedimentary rocks.
9. Relevant reports on Cu-Mo-Au porphyry mineralisation can be found in:
10. Of the bronze statuary, most beautiful was the 5 inch high Hellenistic figure of a nude youth (around late second or early first century BC), which sold to the European trade for 170,000 (est. 40-;60,000), though nothing excited the crowd quite so much as the Roman porphyry.
11. Recent publications on the use of remote sensing imagery in mineral exploration in Britain include Moore and Camm (1982) on structural mapping for Sn-W prospecting in South-west England, Hunting Geology and Geophysics (1983) on exploration for fluorite and Pb-Zn in the Pennine orefields and Darch and Barber (1983) on vegetation studies over the Coed y Brenin porphyry copper deposit in North Wales.
12. The complex is thought to have similarities with some Canadian porphyry copper deposits (MRP 55).
13. The dark, blue-black serpentine which had been popular before was still used a great deal, but now new materials were tried out as well - alabaster, gypsum, limestone, marble and breccia - and some extremely hard rocks like porphyry.