Discovery reports (1947) Discovery reports discoveryreports23inst Year: 1947 52 DISCOVERY REPORTS tuff made up of angular fragments of the fluxional rock, a biotite-rhyolite, and orthoclase-porphyry or felsite with only sparse phenocrystic quartz. Finally, a fragment collected from the scree on the cliffs of a rocky islet near the anchorage turns out to be a crushed sericitic quartzite of a distinctly ancient aspect. DECEPTION ISLAND Deception Island is the best known of the South Shetland Islands. Dr Thomas ((2), p. 81) has commented on the earlier literature of the island. Mr Ferguson adde

---

Discovery reports (1947) Discovery reports discoveryreports23inst Year: 1947 52 DISCOVERY REPORTS tuff made up of angular fragments of the fluxional rock, a biotite-rhyolite, and orthoclase-porphyry or felsite with only sparse phenocrystic quartz. Finally, a fragment collected from the scree on the cliffs of a rocky islet near the anchorage turns out to be a crushed sericitic quartzite of a distinctly ancient aspect. DECEPTION ISLAND Deception Island is the best known of the South Shetland Islands. Dr Thomas ((2), p. 81) has commented on the earlier literature of the island. Mr Ferguson added a few details and published two excellent photographs {op. cit. p. 44; pi. iii, figs. 2, 3); but the fullest recent description is that by Holtedahl ((3), pp. 29-47). Deception Island apparently represents a huge breached crater flooded S£. WALL OF OecePTiON HflKBWR, SOUTH SHeTLAMOS. >«i- .S'i OMctcy. STATION 1484 ttju-46wu

---

Size: 1806px × 1108px
Photo credit: © Bookend / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: archive, book, drawing, historical, history, illustration, image, page, picture, print, reference, vintage