The 25 cent stamp is a simplified reproduction of the geological map of Rhodesia. The distribution of the granitic rocks that are exposed over approximately half of the country is shown, the granites being depicted in red and the related rocks in orange. The major gold belts are shown in…
View More Rhodesia Philately: 1971 Granite 71 – 25c Geological map of RhodesiaAuthor: thedigitalphilatelist
Rhodesia Philately: 1971 Granite 71 – 15c Granite
The 15 cent stamp is a photograph of a thin section of granite as seen in plane polarized light through a petrological microscope. A thin slice of the rock initially cut by a diamond impregnated saw blade has subsequently been ground to a thickness of about 0.03 mm and is…
View More Rhodesia Philately: 1971 Granite 71 – 15c GraniteRhodesia Philately: 1971 Granite 71 – 7½c Muscovite mica
The 7½ cent stamp shows a biaxial interference picture produced by a flake of muscovite mica in a petrological microscope, using a conoscopic lens and crossed nicols. The coloured bands are formed by interference in white light (Newton’s rings). The black bands, or isogyres, which move as the mineral is…
View More Rhodesia Philately: 1971 Granite 71 – 7½c Muscovite micaRhodesia Philately: 1971 Granite 71 – 2½c Porphyritic granite
The 2½ cent stamp is based on a photograph of a typical sample of porphyritic granite. The sample was collected from the Pomona Quarry situated on the northern outskirts of Salisbury. The rock is characterized by large crystals of potash feldspar set in a finer grained groundmass of quartz and…
View More Rhodesia Philately: 1971 Granite 71 – 2½c Porphyritic graniteRhodesia Philately: 1971 Granite 71
“Granite 71” was the name given to a geological symposium, international in scope, that was held in Rhodesia over a three-week period, beginning on 30th August, 1971. The symposium was organized by the Rhodesian Branch of the Geological Society of South Africa, and 250 delegates from all parts of the…
View More Rhodesia Philately: 1971 Granite 71Rhodesia Philately: Southern Sun Hotel Corporation of Rhodesia (Pvt) Ltd
In 1969 South African Breweries Ltd formed the Southern Sun Hotel Corporation (Pty) Ltd. The subsidiary operated a number of hotels throughout Southern Africa including the South African Breweries’ Transito Hotels. On 21 August 1971, Rhodesian Breweries Ltd announced a new wholly owned subsidiary, Southern Sun Hotel Corporation of Rhodesia (Pvt) Ltd,…
View More Rhodesia Philately: Southern Sun Hotel Corporation of Rhodesia (Pvt) LtdRhodesia Philately: Victoria Falls Hotel (Southern Sun Hotel)
On 21 August 1971, Rhodesian Breweries Ltd announced a new wholly owned subsidiary, Southern Sun Hotel Corporation of Rhodesia (Pvt) Ltd, which had strong links to the Southern Sun Hotel Corporation of South Africa. The new subsidiary took on a five year lease from Rhodesia Railways to manage the Victoria…
View More Rhodesia Philately: Victoria Falls Hotel (Southern Sun Hotel)Australia Philately: 1971 Twelfth Pacific Science Congress
A temporary post office was provided at Canberra for the Twelfth Pacific Science Congress (18th-27th August, 1971). The Pacific Science Association’s emblem, shown on the postmarker, is an ancient Tahitian twin-hulled voyaging canoe. A deck connects the two hulls, with a thatched house on it. Drawn by Bishop Musuem artist-historian…
View More Australia Philately: 1971 Twelfth Pacific Science CongressAustralia Philately: 1971 12th International Conference On Cosmic Rays
A temporary post office was provided at Hobart for the 12th International Conference on Cosmic Rays (16th-25th August, 1971). Details Date: 16 August 1971 – 25 August 1971 Quantity: 3705 (ordinary articles) 39 (registered articles)
View More Australia Philately: 1971 12th International Conference On Cosmic Rays