Electron microscope methods in the search for the earliest life forms on earth (in 3.5-3.3 Ga cherts from the barberton greenstone belt, South Africa): Applications for extraterrestrial life studies

Proceedings of SPIE - The International Society for Optical Engineering

Volumn 3441, Issue , 1998, Pages 158-169

  Westall, Frances ^a   Gerneke, Dane ^b  

^a UNIVERSITY OF BOLOGNA   (Italy)

^b UNIVERSITY OF CAPE TOWN   (South Africa)

Author keywords

Early archean; Extraterrestrial life; Fossil bacteria; Fossil biofilm; Mars; Scanning electron microscopy

Indexed keywords

BACTERIA; BIOFILMS; EARTH (PLANET); ELECTRON MICROSCOPES; HIGH RESOLUTION ELECTRON MICROSCOPY; SCANNING ELECTRON MICROSCOPY; SEDIMENTS;

EXTRATERRESTRIAL LIFE; FOSSIL BIOFILMS; FOSSIL COCOID; HIGH RESOLUTION SCANNING ELECTRON MICROSCOPY; MICROFOSSILS;

MICROBIOLOGY;

EID: 0006486194     PISSN: 0277786X     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.319833     Document Type: Conference Paper

References (48)

1. Barghoorn, E.S,. and J.W. Schopf, "Microorganisms three billion years old from the Precambrian of South Africa", Science, 152, pp. 758-760, 1966.
2. Pflug, H.D., "Structured organic remains from the Fig Tree Series (Precambrium) of the Barberton Mountain Land (South Africa)", Rev. Palaeobot. Palynol., 5, pp. 9-29, 1967.
3. Engel, A.E.J., B. Nagy, L.A. Nogy, C.G. Engel, G.O.W. Kremp, and C.M. Drew, "Algal-like forms in Onverwacht Series, South Africa: oldest recognised lifelike forms on Earth", Science 161, pp. 1005-1008, 1968.
4. Nagy, B. and L.A. Nagy, "Early Precambrian Onverwacht microstructures: possibly the oldest fossils on Earth?", Nature, 223, pp. 1226-1228, 1969.
5. Prashnowsky, A.A. and F. Oberlies, "Uber Lebenszeugnisse im Präkambrum Afrikas und Sudamerikas". In Advances in Organic Chemistry, H.R. von Gaertner and H. Wehner (Editors), pp. 683-698, Pergamon, Oxford, 1971, 1972.
6. Brooks, J., M.D. Muir, and G. Shaw, G., "Chemistry and morphology of Precambrian microorganisms", Nature, 244, pp. 215-217, 1973.
7. Muir, M.D. and D.O. Hall, "Diverse microfossils in Precambrian Onverwacht Group rocks of South Africa", Nature, 252, pp. 476-378, 1974.
8. Muir, M.D. and P.R. Grant, "Micropaleontological evidence from the Onverwacht Group, South Africa", In The Early History of the Earth, B.F. Windley (Editor), pp. 595-60,8 Wiley-Interscience, London, 1976.
9. Knoll, A.H. and E.S. Barghoorn, "Archean microfossils showing cell division from the Swaziland System of South Africa", Science, 198, pp. 396-398, 1977.
10. Walsh, M.M. and D.R. Lowe, "Filamentous microfossils from the 3,500 Myr-old Onverwacht Group, Barberton Mountain Land, South Africa", Nature, 314, pp. 530-532, 1985.
11. Walsh, M.M. "Microfossils and possible microfossils from the Early Archean Onverwacht Group, Barberton Mountain Land, South Africa", Precamb. Res., 54 pp. 271-292, 1992.
12. Schopf, J.W. and M.R. Walter, "Archean microfossils: new evidence of Ancient microbes", in Earth's Earliest Biosphere, J.W. Schopf (Editor), pp. 214-239, Princeton University Press, Princeton, 1983.
13. Starr, M.P., H. Stolp, H.G. Truper, A. Balows, and H.G. Schlegel, The Prokaryotes, Springer, Berlin, 1981.
14. Wuttke, M., ""Weichteilerhaltung" durch lithifizierte Mikroorganismen bei mittel-eozänen Vertebraten aus den Ölschiefern der "Grube Messel" bei", Senckenberg. leth., 64, pp. 509-527, 1983.
15. Monty, C.L.V., F. Westall, S and van der Gaast, "Diagenesis of siliceous particles in sub-Antarctic sedimens, ODP Leg 114, Hole 699A: possible microbial mediation", In Proceedings of the ODP Scientific Research, 114, P.F. Ciesielski, Y. Kristoffersen, et al. (Editors), pp. 685-710 Ocean Drilling Program, College Station, Texas, 1991.
16. Westall, F., "Silicified bacteria and associated biofilm from the deep-sea sedimentary environment", Kaupia-Darmst. Beitr. Naturgesch., 4, pp. 29-43, 1994.
17. Westall, F. and Y. Rincé, "Biofilms, microbial mats and microbe-particle interactions: electron microscope observations from diatomaceous sediments", Sedimentol., 41, pp. 147-162, 1994.
18. Westall, F., L. Boni, and M.E. Guerzoni, "The experimental silification of microorganisms", Palaeontology, 38, pp. 495-528, 1995.
19. Liebig, K., F. Westall, and M. Schmitz, "A study of microfossil structures from the Eocene Messel Formation using transmission electron microscopy", N. Jahrb. Geol. Paläontol. Mh., 4, pp. 218-231, 1996.
20. Westall, F., M.J. de Wit, and J. Dann. "What do fossil bacteria look like? Examples of 3.5 billion-year old mineral bacteria and the search for evidence of life in extraterrestrial rocks. 28th Lunar and Planetary Science Conference, Houston, Abstract, 1997.
21. Westall F., "The nature of fossil bacteria", Workshop on early Mars, Houston, Abstract, 1997.
22. Westall, F., M.J. de Wit, and J. Dann, "The oldest fossil mineral bacteria", Conference on the Origins of Life, Göteborg, Abstract, 1997.
23. Westall, F., M.J. de Wit, J. Dann, S. van der Gaast, C.E.J. de Ronde, and D. Gerneke, "Hydrothermal sediments and fossil bacteria from the early Archean of South africa as analogues for early life on Mars. 29th Lunar and Planetary Science Conference, Houston March, Abstract, 1998.
24. Westall, F., "The oldest fossil mineral bacteria from the Early Archean of South Africa and Australia", in Proceedings of the 5th Trieste Conference on Chemical Evolution: Exobiology and Information in the Evolution of Life in the Universe, J. Chela-Flores and F. Raulin (Editors), Kluwer, Amsterdam, in press.
25. Westall, F., M.J. de Witt, J. Dann, S. van der Gaast, C.E.J. de Ronde, and D. Gerneke, "Early Archean fossil bacteria and biofilms in hydrothermally-influenced, shallow water sediments, Barberton greenstone belt, South Africa", Precamb. Res., in review
26. Paris, I., I.G. Stanistreet, and M.J. Hughes, "Cherts of the Barberton Greenstone Belt intepreted as products of submarine exhalative activity". J. Geol., 93, pp. 111-129, 1985.
27. Byerly, G.R., D.R. Lowe, and M.M. Walsh, "Stromatolites from the 3300-3500 Myr Swaziland Supergroup, Barberton Mountain Land, South Africa", Nature, 319, pp. 489-491, 1986.
28. de Wit, M.J., R. Hart, A. Martin, and P. Abbott, "Archean abiogenic and probable biogenic structures associated with mineralised hydrothermal vent systems and regional metasomatism with implications for greenstone belt studies", Econ. Geol., 77, pp. 1783-1802, 1982.
29. de Ronde, C.E.J., M.J. de Wit, and E.T.C. Spooner, "arly Archean (>3.2 Ga) Fe-oxide-rich, hydrothermal discharge vents in the Barberton greenstone belt, South Africa", Geol. Soc. Amer. Bull., 196, pp. 86-104, 1994.
30. de Ronde, C.E.J. D.M. deR. Channer, K. Faure, C.J. Bray, and E.T.C. Spooner, "Fluid chemistry of the Archean seafloor hydrothermal vents: implications for the composition of circa 3.2 Ga seawater". Geoch. Cosmoch. Acta., 61, pp. 4025-2042, 1997.
31. - composition of ca.3.23 Ga modified seawater: implications for the geological evolution of ocean halide chemistry", Earth Planet. Sci. Lett., 150, pp. 325-335, 1997.
32. Armstrong, R.A., W. Compston, M.J. de Wit, and S. Williams, "The stratigraphy of the 3.5-3.2 Ga Barberton Greenstone Belt revisited: a single zircon microprobe study", Earth Planet. Sci. Lett., 101, pp. 90-106, 1990.
33. Byerly, G.R., A. Kröner, D.R. Lowe, W. Todt, and M.M. Walsh, "Prolonged magmatism and time constraints for sediment deposition in the early Archean Barberton greenstone belt: evidence from the Upper Onverwacht and Fig Tree Groups", Precamb. Res., 78, pp. 125-138, 1996.
34. Awramik, S.M., J.W. Schopf, and M.R. Walter, "Filamentous fossil bacteria from the Archean of Western Australia", Precamb. Res., 20, pp. 357-374, 1983.
35. Fox, S.W. and S. Yuyama, "Dynamic phenomena in microspheres from thermal proteinoid", Comp. Biochem. Physiol., 11, pp. 317-321, 1964.
36. Fox, S.W., R.M. Syren, M. Ingram, B.J. Price, and J. Costello, "Ancient microspheres: abiogenic, protobiogenic, or biogenic?", Precamb. Res., 23, pp. 1-8, 1983.
37. Morigaki, K., S. Dallavalle, P.L. Luisi, "Autopoietic self-reproduction of chiral fatty acid vesicles", J. Am. Chem. Soc., 119, pp. 292-301, 1997.
38. Krumbein, W.E. "Stromatolites - the challenge of a term in space and time", Precamb. Res., 20, pp. 493-531, 1983.
39. Gerdes, G. and W.E. Krumbein, "Biolaminated deposits" In Lecture Notes in Earth Sciences, S. Battacharji, C. M. Friedman, H.J. Neugehauer, and A. Seilacher (Editors), 9, pp. 183, Springer, Berlin, 1987.
40. Little, B.J., P.A. Wagner, and Z. Lewandski, "Spatial relationships between bacteria and mineral surfaces". In Geomicrobiology: interactions between microbes and minerals, J.F. Banfield and K.H. Nealson (Editors), 35, pp. 123-160, 1997.
41. Leo, R.F. and E.S. Barghoom, "Silicification of wood", Botanical Museum Leafl., Harvard Univ., 25, 1-47, 1976.
42. Francis, S., L. Margulis, and E.S. Barghoorn, "On the experimental silification of microorganisms. II. On the time of appearance of eukaryotic organisms in the fossil record". Precamb. Res., 6, pp. 65-100, 1978.
43. Scultze-Lam, S., D. Fortin, B.S. Davis, and T.J. Beveridge, "Mineralisation of bacterial surfaces", Chem. Geol., 132, 17, 181, 1996.
44. Westall, F., "Fossil bacteria", in Enigmatic microorganisms and life in extreme environments, J. Seckbach (Editor), Kluwer, Amsterdam, in press.
45. Chyba, C.F., "Impact delivery and erosion of planetary oceans in the early inner solar system", Nature, 343, pp. 129-133, 1990.
46. Mojzsis, S.J., G. Arrhenius, K.D. Keegan, T.M. Harrison, A.P. Nutman, and C.R.L. Friend, "Evidence for life on Earth 3,800 million years ago, Nature, 384, 55-58, 1996.
47. Davis, W.L. and McKay, C.P., "Origins of life: a comparison of theories and applications to Mars", Origins of Life and Evolution of the Biosphere, 26, 61-73, 1996.
48. McKay, D.S., E.K. Gibson, Jr., K.L. Thomas-Keprta, H. Vali, C.S. Romanek, S.J. Clemett, X.D.F. Chiller, C.R. Mending, and R.N. Zare, "Search for past life on Mars: possible relic biogenic activity in Martian meteorite ALH84001", Science, 273, 924-930, 1996.