Thermoluminescence as a technique for determining the nature and history of small solar system particles

The thermoluminescence phenomenon has been used for pottery dating and radiation dosimetry for sixty years and for forty years has been applied to the study of meteorites, being successful in quantifying metamorphic histories and providing new insights into terrestrial age and orbits. Here we review some of the fundamental properties of thermoluminescence with particular focus on the study of small extraterrestrial particles. We suggest that natural TL data can be used to identify the burial and release history of cometary particles and that induced TL measurements can provide in-sights into the mineralogy of particles (even when largely amorphous) and the metamorphic history of those particles. We illustrate the use of TL to study small particles by describing recent studies on micrometeorites and 10–100 μm fragments taken from the matrix of a meteorite Semarkona which is type 3.0 ordinary chondrite.     

Honours for Glasgow staff

Political Geography of the Twentieth Century: A Global Analysis. Edited by Peter Taylor, 245 x 184 mm, xiii + 269 pp, Belhaven, London, 1993, pbk ISBN 1–85293–1973, £12.95.

Environmental Management in the Soviet Union. By Philip R. Pryde, 228 x 153 mm, xiii + 314 pp, Cambridge University Press, 1991, pbk ISBN 0–521–40905–5, £10.95.

Green Development: Environment und Sustainahility in the Third World. By W.M. Adams, 216 X 138 mm, 273 pp, Routledge, London, 1992, pbk, ISBN 0–415–08050–9, £12.99.

Debt and Development. By Stuart Corbridge, 230 x 153 mm, 231 pp, Blackwell, Oxford, 1993, hbk ISBN 0–631179046, £35.00, pbk ISBN 0–631181383, £10.99.

Contemporary Rural Systems in Transition: Vol. 1 Agriculture and Environment, Vol. 2 Economy and Society. Edited by I.R. Bowler, C.R. Bryant and M.D. Nellis, 240 x 160 mm, viii + 277 and xx + 314 pp, Wallingford, CAB International, 1992, hbk, ISBN 0–85198–813‐X (two‐volume set), £70.00.

Controlling Tropical Deforestation. By Alan Grainger, 232 x 152 mm, 310 pp, Earthscan, London, 1993, pbk, ISBN 1–85383–142–5, £14.95.

Deforestation in the Postwar Philippines. By David M. Kummer, 228 x 152 mm, xvii + 178 pp, University of Chicago Press (Geography Research Paper 234), Chicago and London, 1992, pbk, ISBN 0–226–46169–6, £13.50.

Nineteenth‐Century Cape Breton — A Historical Geography. By Stephen J. Hornsby, 230 x 153 mm, 304 pp, McGill‐Queen's University Press, Montreal and Kingston, 1992, hbk, ISBN 0–7735–0889–9, £33.95.

Challenge of the Natural Environment. By B.J. Knapp, S.R.J. Ross, and D. McCrae, 236 x 135 mm, 272 pp, Longman, Harlow, 1989, pbk, ISBN 0–582–35597–4, £9.99.     

The nature of third-millennium settlement: The example of al-Tikha (Rustaq) an Umm an-Nar site on the Batinah coast of Oman

al-Tikha is a mid to large Umm an-Nar (c. 2700–2000 BC) settlement situated near Rustaq at the back of the Southern Batinah coastal plain in the Sultanate of Oman that was discovered (or rediscovered) in 2014. The site is unique because its layout and spatial organisation are very largely (possibly completely) visible on the surface. This includes two separate areas of stone-built housing, a large pottery scatter of varying density, three or four typical Umm an-Nar round towers and a small cemetery consisting of at least four tombs, along with a few other features. The layout of the site is described and discussed in detail, in particular, in relation to what it might tell us about the nature of Umm an-Nar settlement and social organisation more generally. The location of the site within a pattern of repeating Umm an-Nar settlement along Wadi Far (Wādī al-Farʿī) is also described and discussed.     

On the Arrangement of Chapels East of Transepts

Mathematical ability and good architecture have gone together in several notable instances. Euclid's ‘Elements’ has been one of the great formative works in the history of mankind and it would be reasonable to expect that it would have some influence upon architecture. It was practically unknown in the west until translated from the Arabic into Latin by Adelard of Bath about 1120. This translation had an immense impact on medieval thought and it is arguable that it was a major factor in the greater accuracy in the setting out of buildings that began about that time. The question of skew chancels is specially considered. But the main reason for holding the translation to have had a big influence upon medieval architecture is the strong tradition among Freemasons that ‘the worthy clerk Euclid’ was the founder of their craft.     

Address to the Historical Section of the Annual Meeting of the Institute Held at Cardiff

An investigation of almost all recognized Anglo-Saxon churches has been undertaken to scrutinize carefully their quoins, pilaster strips and arch jambs, where these are readily visible for detailed study from ground level. The geological orientations within the stones in these structures have been recorded where they are clearly discernible. The stones, irrespective of their size and shape, display in all visible instances distinct patterns and styles of Anglo-Saxon construction. A simple nomenclature is proposed to identify the bedding orientations of the stones. These patterns of stone orientation, particularly when applied together with an understanding of the different rock lithologies, can be used to enable the structural portions of Anglo-Saxon church buildings to be identified with greater precision.     

On Anglo-Saxon Remains in Iver Church,Bucks

The presence of the remains of a Tudor cupboard displayed at Cotehele (Cornwall) has for many years been explained by the marriage of Catherine, the widow of Sir Gruffydd ap Rhys (the son of Sir Rhys ap Thomas, a leading figure in south Wales during the reigns of both Henry VII and Henry VIII) to Sir Piers Edgcumbe in 1523; thus dating this piece of furniture to the 1520s. By contrast, costume experts have always considered that the piece should date to the middle or later sixteenth century. This paper links the Cotehele cupboard to other pieces of carved work from the Welsh March in Shropshire—at Lower Spoad Farm, near Clun and in the church at Llanfair Waterdine—suggests an association with two of the major landowners there, the earls of Arundel and Shrewsbury; and places the cupboard in the context of Queen Mary's reign.