AVONIAN  , in See also:

• GEOLOGY (from Gr. yp7, the earth, and Abyor, science)

geology, the name proposed by Dr A . See also:

• VAUGHAN, CHARLES JOHN (1816-1897)
• VAUGHAN, HENRY (1622-1695)
• VAUGHAN, HERBERT (1832-1903)
• VAUGHAN, THOMAS (1622-1666)
• VAUGHAN, WILLIAM (1577-1641)

Vaughan in 1905 (Q.J.G.S. vol. lxi. p . 264) for the rocks of See also:

• LOWER

Lower Carboniferous See also:

• AGE (Fr. age, through late Lat. aetaticum, from aetas)

age in the See also:

• AVON

Avon See also:

• GORGE

gorge at See also:

• BRISTOL
• BRISTOL, EARLS AND MARQUESSES OF
• BRISTOL, GEORGE DIGBY, 2ND EARL OF1 (1612-1677)
• BRISTOL, JOHN DIGBY, 1ST EARL OF 6 (1580-1653)

Bristol . The Avonian See also:

• STAGE (Fr. 6/age; from Lat. stare, to stand)

stage appears to embrace precisely the same rocks and fossil-zones as the earlier designation " Dinantien " (see CARBONIFEROUS See also:

• SYSTEM

SYSTEM) ; but its substages, being founded upon different See also:

• LOCAL

local conditions and a different See also:

• INTERPRETATION (from Lat. interpretari, to expound, explain, inter pres, an agent, go-between, interpreter; inter, between, and the root pret-, possibly connected with that seen either in Greek 4 p4'ew, to speak, or irpa-rrecv, to do)

interpretation of the zonal fossils, do not correspond exactly with those of the See also:

• FRENCH
• FRENCH, DANIEL CHESTER (1850– )
• FRENCH, NICHOLAS (1604-1678)

French and Belgian geologists . Substages . ZONES . Substages . Kidwellian .Dibunophyllum- Seminula Syringothyris Clevedonian Zaphrentis Tournaisien ,Cleistopora The upper Avonian (Kidwellian) is well See also:

• DEVELOPED

developed about See also:

• KIDWELLY (Cydweli)

Kidwelly in See also:

• CARMARTHENSHIRE

Carmarthenshire . The lower substage (Clevedonian) is well displayed near See also:

• CLEVEDON

Clevedon in See also:

• SOMERSET, EARLS AND DUKES OF
• SOMERSET, EDMUND BEAUFORT, DUKE OF (c. 1404–1455)
• SOMERSET, EDWARD SEYMOUR, DUKE OF (c. 1506–1552)
• SOMERSET, LORD ROBERT EDWARD HENRY (1776-1842)
• SOMERSET, ROBERT CARR (or KER), EARL OF (e. 1590-1645)

Somerset . See A . Vaughan, " The Carboniferous See also:

• LIMESTONE

Limestone See also:

• SERIES (a Latin word from serere, to join)

Series (Avonian) of the Avon Gorge," Proc . Bristol Naturalists' See also:

• SOC

Soc., 4th series, vol. i. pt .

2, 1906, pp . 74-168 (many plates) ; and T . F . Sibley, " On the Carboniferous Limestone (Avonian) of the Mendip See also:

• AREA

area (Somerset)," Q.J.G.S. vol . ]Iii., 1906, pp . 324-380 (plates) . (J . A .