Pliocene sapropels in the northern Adriatic area: Chronology and paleoenvironmental significance

Palaeogeography, Palaeoclimatology, Palaeoecology

Volumn 135, Issue 1-4, 1997, Pages 1-25

  Rio, D ^a   Channell, J E T ^b   Bertoldi, R ^c   Poli, M S ^a   Vergerio, P P ^a   Raffi, I ^d   Sprovieri, R ^e   Thunell, R C ^f  

^a UNIVERSITY OF PADOVA   (Italy)

^b UNIVERSITY OF FLORIDA   (United States)

^c UNIVERSITY OF PARMA   (Italy)

^d UNIVERSITY OF CHIETI   (Italy)

^e UNIVERSITY OF PALERMO   (Italy)

^f UNIVERSITY OF SOUTH CAROLINA   (United States)

Author keywords

Mediterranean region; Paleoclimatology; Pliocene; Stratigraphy

Indexed keywords

GEOCHRONOLOGY; PALAEOCLIMATE; PALAEOENVIRONMENT; PALEOENVIRONMENTS; PRECIPITATION; SAPROPEL; SAPROPELS; STRATIGRAPHY;

ITALY, APPENNINES, MARECCHIA VALLEY; MEDITERRANEAN SEA;

EID: 0031453388     PISSN: 00310182     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0031-0182(97)00027-8     Document Type: Article

References (109)

1. Barmawidjaja, D.M., De Jong, A.F.M., Van der Borg, K., Van der Kaars, W.A., Zachariasse, W.J., 1989. Kau Bay, Halmahera, a Late Quaternary paleoenvironmental record of a poorly ventiled basin. Neth. J. Sea Res., 24, 591-605.
2. Bé, A.W.H., 1982. Biology of planktonic foraminifera. In: T.W. Broadhead (Ed.) Foraminifera: Notes for a Short Course. Stud. Geol. 6, 51-92.
3. Berardi, F., Nanni, L., 1983. Sedimenti e ciclotemi della sezione pliocenica di Poggio Berni (Forli). Boll. Mus. Civ. Stat. Nat. Verona 10, 165-181.
4. Berggren, W.A., 1971. Tertiary boundaries and correlations. In: Funnell, B.M., Riedel, W.R. (Eds.), The Micropaleontology of Oceans. Cambridge Univ. Press, pp. 693-809.
5. Berggren, W.A., Hilgen, F.J., Langereis, C.G., Kent, D.V., Obradovich, J.D., Raffi, I., Raymo, M.E., Shackleton, N.J., 1995. Late Neogene chronology: New perspectives in high-resolution stratigraphy. Geol. Soc. Am. Bull. 107, 1272-1287.
6. Bernhard, J.M., Reimers, C.E., 1991. Benthic foraminiferal population fluctuations related to anoxia: Santa Barbara Basin. Biogeochemistry 15, 127-149.
7. Bertoldi, R., Rio, D., Thunell, R.C., 1989. Pliocene-Pleistocene vegetational and climatic evolution of the south-central Mediterranean. Palaeogeogr. Palaeoclimatol. Palaeoecol. 72, 263-275.
8. Bizon, G., Bizon J.J., 1984. Distribution des foraminifères sur le plateau continental au large du Rhone. In: Bizon, J.J., Bourollet, P.F. (Eds.), Ecologie des microorganismes en Méditerranée occidentale: "ECOMED". Assoc. Fr. Techn. Pét. pp. 84-94.
9. Blanc-Vernet, L., 1969. Contribution à l'étude des Foraminifères de Méditerranée. Rec. Trav. Station Mar. Endoume 48, 1-251.
10. Bukry, D., 1974. Coccoliths as paleosalinity indicators - evidence from Black Sea. AAPG Mem. 20, 353-363.
11. Calvert, S.E., 1983. Geochemistry of Pleistocene sapropels and associated sediments from the eastern Mediterranean. Oceanol. Acta 6, 255-267.
12. Calvert, S.E., 1987. Oceanographic controls on the accumulation of organic matter in marine sediments. In: Brooks, J., Fleet, A.J. (Eds.), Marine Petroleum Source Rocks. Geol. Soc. London Spec. Publ., pp. 137-151.
13. Calvert, S.E., Karlin, R.E., Toolin, L.J., Donahue, D.J., Southon, J.R., Vogel, J.S., 1991. Low organic carbon accumulation rates in Black Sea sediments. Nature 350, 692-695.
14. Calvert, S.E., Nielsen, B., Fontugne, M.R., 1992. Evidence from nitrogen isotope ratios for enhanced productivity during formation of eastern Mediterranean sapropels. Nature 359, 223-225.
15. Cande, S.C., Kent, D.V., 1992. A new geomagnetic time scale for the Late Cretaceous and Cenozoic. J. Gephys. Res. 97, 13917-13951.
16. Channell, J.E.T., Di Stefano, E., Sprovieri, R., 1992. Calcareous plankton biostratigraphy, magnetostratigraphy and paleoclimatic history of the Plio-Pleistocene Monte San Nicola section (southern Sicily). Boll. Soc. Paleontol. Ital. 31 (3), 351-382.
17. Channell, J.E.T., Poli, M.S., Rio, D., Sprovieri, R., Villa, G., 1994. Magnetic stratigraphy and biostratigraphy of Pliocene "argille azzurre" (Northern Apennines, Italy). Palaeogeogr. Palaeoclimatol. Palaeoecol. 110, 83-102.
18. Chen, J., Farrell, J.W., Murray, D.W., Prell, W.L., 1995. Timescale and paleoceanographic implications of a 3.6 m.y. oxygen isotope record from the northeast Indian Ocean (Ocean Drilling Program site 758). Paleoceanography 10, 21-47.
19. Cisowski, S., 1981. Interacting vs. non-interacting single domain behavior in natural and synthetic samples. Phys. Earth Planet. Inter. 26, 77-83.
20. Cita, M.B., 1975. Studi sul Pliocene e sugli strati di passaggio dal Miocene al Pliocene VIII. Planktonic foraminiferal biozonation of the mediterranean Pliocene deep sea record. A revision. Riv. Ital. Paleontol. 81 (4), 527-544.
21. Cita, M.B., Podenzani, M., 1980. Destructive effects of oxygen starvation and ash falls on benthic life: a pilot study. Quat. Res. 13, 230-241.
22. Cita, M.B., Vergnaud-Grazzini, C., Robert, C., Chamley, H., Ciaranfi, N., D'Onofrio, S., 1977. Paleoclimatic record of a long deep sea core from the eastern Mediterranean. Quat. Res. 8, 205-235.
23. Cita, M.B., Rio, D., Sprovieri, R., in press. The Pliocene Series: Chronology of the type Mediterranean record and standard chronostratigraphy. In: Wrenn, J.H., Suc, J.P. (Eds.), Paleoecology, Climate and Sequence Stratigraphy of the Pliocene. Am. Assoc. Stratigr. Palinol., Spec. Vol., Baton Rouge, LA.
24. Colalongo, M.L., Elmi, C., Sartoni, S., 1974. Stratotypes of Pliocene and Santerno River section. Congr. Mediterranean Neogene, Lyon, 1974. Mem. Bur. Rech. Geol. Min. 78, 603-624.
25. Colalongo, M.L., Ricci Lucchi, F., Berardi, F., Nanni, L., 1982. Il Pliocene neoautoctono di Poggio Berni in Val Marecchia (Appennino romagnolo). In: Cremonini, G., Ricci-Lucchi, F. (Eds.), Guida alla Geologia del Margine Appenninico-padano. Guida Geologica Regionale, S.G.I., pp. 177-180.
26. Combourieu-Nebout, N., 1993. Vegetation response to upper Pliocene glacial/interglacial cyclicity in the central Mediterranean. Quat. Res. 40, 228-236.
27. Combourieu-Nebout, N., 1995. Résponse de la végétation de l'Italie méridionale au seuil climatique de la fin du Pliocène d'après l'analyse pollinique à haute résolution de la section de Semaforo (2,46 á 2,1 Ma). C. R. Acad. Sci. Paris 231 (II), 659-665.
28. Corliss, B.H., Martinson, D., Keffert, T., 1986. Late Quaternary deep ocean circulation. Geol. Soc. Am. Bull. 97, 1106-1121.
29. D'Argenio, B., Horvath, F., Channell, J.E.T., 1980. Palaeotectonic evolution of Adria, the African promontory. 26th C.G.I., C5, pp. 331-351.
30. Emeis, K., Robertson, A., Richter, C., 1995. Mediterranean Sea I. JOIDES J. 21, 11-20.
31. Fisher, R.A., 1953. Dispersion on a sphere. Proc. R. Soc. London Ser. A 217, 295-305.
32. Fontugne, M.R., Paterne, M., Calvert, S., Murat, A., Guichard, F., Arnold, M., 1989. Adriatic deep water formation during the Holocene: implication for the reoxygenation of the deep Eastern Mediterranean Sea. Paleoceanography 4, 199-206.
33. Hasegawa, S., Sprovieri, R., Poluzzi, A., 1990. Quantitative analysis of benthic foraminiferal assemblages from Plio-Pleistocene sequences in the Tyrrhenian Sea, ODP Leg 107. Proc. ODP, Sci. Results 107, 461-478.
34. Hilgen, F.J., 1987. Sedimentary cycles and high-resolution chronostratigraphic correlations in the Mediterranean Pliocene. Newsl. Stratigr. 17, 109-127.
35. Hilgen, F.J., 1991a. Astronomical calibration of Gauss to Matuyama sapropels in the Mediterranean and implication for the Geomagnetic Polarity Time Scale. Earth Planet. Sci. Lett. 104, 226-244.
36. Hilgen, F.J., 1991b. Extension of the astronomically calibrated (polarity) time scale to the Miocene/Pliocene boundary. Earth Planet. Sci. Lett. 107, 349-368.
37. Hilgen, F.J., 1992. Astronomical forcing and geochronological application of sedimentary cycles in the Mediterranean Pliocene-Pleistocene. Geol. Ultraiectina 93, 139 pp.
38. Hilgen, F.J., Lourens, L.J., Berger, A., Loutre, M.F., 1993. Evaluation of the astronomically calibrated time scale for the late Pliocene and earliest Pleistocene. Paleoceanography 8 (5), 549-565.
39. Hilgen, F.J., Krijgsman, W., Langereis, C.G., Lourens, L.J., Santarelli, A., Zachariasse, W.J., 1995. Extending the astronomical (polarity) time scale into the Miocene. Earth Planet. Sci. Lett. 136, 495-510.
40. Howell, M.W., Thunell, R.C., 1992. Organic carbon accumulation in Bannock Basin: Evaluating the role of productivity in the formation of eastern Mediterranean sapropels. Mar. Geol. 103, 461-471.
41. Johnson, H.P., Lowrie, W., Kent, D.V., 1975. Stability of ARM in fine and coarse magnetite and maghemite particles. Geophys. J. R. Astron. Soc. 41, 1-10.
42. Jonkers, H.A., 1984. Pliocene benthonic foraminifera from homogeneous and laminated marls on Crete. Utrecht Micropaleontol. Bull. 31, 179 pp.
43. Jorissen, F.J., 1988. Benthic foraminifera from the Adriatic Sea: principles of phenotypic variation. Utrecht Micropaleontol. Bull. 34, 177 pp.
44. Jorissen, F.J., Barmawidjaja, D.M., Puskaric, S., Van der Zwaan, G.J., 1992. Vertical distribution of benthic foraminifera in the northern Adriatic Sea: The relation with the organic flux. Mar. Micropaleontol. 19, 131-146.
45. Katz, M.E., Thunell, R.C., 1984. Benthic foraminiferal biofacies associated with Middle Miocene to Early Pliocene oxygen-deficient conditions in the Eastern Mediterranean. J. Foraminiferal Res. 14 (3), 187-202.
46. Kidd, R.B., Cita, M.B., Ryan, W.B.F., 1978. Stratigraphy of eastern Mediterranean sapropel sequences recovered during leg 42A and their paleoenvironmental significance. Init. Rep. DSDP 42A, 412-443.
47. Kirschvink, J.L., 1980. The least squares line and plane and the analysis of paleomagnetic data. R. Astron. Soc. Geophys. J. 62, 699-718.
48. Langereis, C.G., Hilgen, F.J., 1991. The Rossello composite: a Mediterranean and global reference section for the Early to early Late Pliocene. Earth Planet. Sci. Lett. 104, 211-225.
49. Langereis, C.G., Van Hoof, A.A.M., Hilgen, F.J., 1994. Steadying the rates. Nature 369, 615.
50. Laskar, J., Loutel, F., Boudin, F., 1993. Orbital, processional, and insolation quantities for the Earth from -20 Myr to + 10 Myr. Astron. Astrophys. 270, 522-533.
51. Lee, C., 1992. Controls on organic carbon preservation: the use of stratified water bodies to compare intrinsic rates of decomposition in oxic and anoxic systems. Geochim. Cosmochim. Acta 56, 3323-3335.
52. Lourens, L.J., 1994. Astronomical forcing of Mediterranean climate during the last 5.3 million years. Ph.D. Thesis, Utrecht Univ., 247 pp.
53. Lourens, L.J., Hilgen, F.J., Zachariasse, W.J., Van Hoof, A.A.M., Antonarakou, A., Vergnaud-Grazzini, C., 1994. Evaluation of the Pliocene to Early Pleistocene astronomical time scale. In: Lourens, L.J. (Ed.), Astronomical Forcing of Mediterranean Climate during the Last 5.3 Million Years. Ph.D. Thesis, Utrecht Univ.
54. Lourens, L.J., Antonarakou, A., Hilgen, F.J., Van Hoof, A.A.M., Vergnaud-Grazzini, C., Zachariasse, W.J., 1996. Evaluation of the Plio-Pleistocene astronomical timescale. Peloceanography 11 (4), 391-413.
55. Mangini, A., Schlosser, P., 1986. The formation of eastern Mediterranean sapropels. Mar. Geol. 72, 115-124.
56. Miao, Q., Thunell, R.C., 1993. Recent deep sea benthic foraminiferal distributions in the South China and Sulu Seas. Mar. Micropaleontol. 22, 1-32.
57. Middelburg, J.J., Vlug, T., Van der Nat, F.J.W.A., 1993. Organic matter mineralization in marine systems. Global Planet. Change 8, 47-58.
58. Miller, K.G., Lohmann, G.P., 1982. Environmental distribution of Recent benthic foraminifera on the northeast United States continental margin. Geol. Soc. Am. Bull. 93, 200-206.
59. Olausson, E., 1961. Studies of deep-sea cores. Sediment cores from the Mediterranean and the Red Sea. Rep. Swed. Deep Sea Exped. 1947-1948, 8 (6), 337-391.
60. Parker, F.L., 1958. Eastern Mediterranean foraminifera. Rep. Swed. Deep Sea Exped. 8 (2, 4), 217-283.
61. Pieri, M., Groppi, G., 1982. Subsurface geological structure of the Po Plain, Italy. Cons. Naz. Ric. Prog. Final. Geodinam. 414, 1-13.
62. Pignatti, S., 1979. I piani di vegetazione in Italia. G. Bot. Ital. 113, 411-428.
63. Poore, R.Z., Berggren, W.A., 1975. The morfology and classification of Neogloboquadrina atlantica (Berggren). J. Foraminiferal Res. 5 (2), 76-84.
64. Rathburn, A.E., Corliss, B.H., 1994. The ecology of living (stained) deep-sea benthic foraminifera from the Sulu Sea. Paleoceanography 9 (1), 87-150.
65. Raymo, M.E., Ruddiman, W.F., Backman, J., Clement, B.M., Martinson, D.G., 1989. Late Pliocene variation in northern ice sheets and North Atlantic deep water circulation. Paleoceanography 4 (4), 413-466.
66. Ricci-Lucchi, F., Ori, G.G., 1985. Syn-orogenic deposits of a migrating basin system in the NW Adriatic foreland. In: Allen, P., Homewood, P. (Eds.), Foreland Basins Symp. Excursion Guidebook, Fribourg, pp. 137-176.
67. Ricci-Lucchi, F., Colalongo, M.L., Cremonini, G., Gasperi, G., Iaccarino, S., Papani, G., Raffi, S., Rio, D., 1982. Evoluzione sedimentaria e paleogeografica nel margine appenninico. In: Cremonini, G., Ricci-Lucchi, F. (Eds.), Guida alla Geologia del Margine Appenninico-padano. Guida Geologica Regionale, S.G.I., pp. 17-46.
68. Rio, D., Palmieri, G., Raffi, I., Villa, G., 1982. Classificazione biostratigrafica dei sedimenti marini plio-pleistocenici del bacini padano, basata sul Nannoplancton Calcareo. In: Cremonini, G., Ricci-Lucchi, F. (Eds.), Guida alla Geologia del Margine Appenninico-padano. Guida Geologica Regionale, S.G.I., pp. 151-153.
69. Rio, D., Sprovieri, R., Raffi, I., 1984. Calcareous plankton biostratigraphy and biochronology of the Pliocene-lower Pleistocene succession of the Capo Rossello area, Sicily. Mar. Micropaleontol. 9, 135-180.
70. Rio, D., Sprovieri, R., Channell, J.E.T., 1990. Pliocene-early Pleistocene chronostratigraphy and the Tyrrhenian deep-sea record from site 653. Proc. ODP, Sci. Results 107, 705-714.
71. Rio, D., Sprovieri, R., Thunell, R.C., 1991. Pliocene-Lower Pleistocene Chronostratigraphy: A re-evaluation of Mediterranean-type sections. Geol. Soc. Am. Bull. 103, 1049-1058.
72. Rio, D., Sprovieri, R., Di Stefano, E., 1994. The Gelasian Stage: a proposal of a new Chronostratigrafic Unit of the Pliocene Series. Riv. Ital. Paleontol. Strat. 100 (1), 103-124.
73. Rohling, E.J., 1991. A simple two-layered model for shoaling of the eastern Mediterranean pycnocline due to glacio-eustatic sea level lowering. Paleoceanography 6 (4), 537-541.
74. Rohling, E.J., Gieskes, W.W., 1989. Late Quaternary changes in Mediterranean Intermediate Water density and formation rate. Paleoceanography 4, 531-545.
75. Rohling, E.J., Hilgen, F.J., 1991. The eastern Mediterranean climate at times of sapropel formation: A review. Geol. Mijnbouw. 70, 253-264.
76. Rohling, E.J., De Stigter, H.C., Vergnaud-Grazzini, C., Zaalberg, R., 1993. Temporary repopulation by low-oxygen tolerant benthic foraminifera within an Upper Pliocene sapropel: Evidence for the role of oxygen depletion in the formation of sapropels. Mar. Micropaleontol. 22, 207-219.
77. Ross, C.R., Kennett, J.P., 1983/84. Late Quaternary paleoceanography as recorded by benthonic foraminifera in Strait of Sicily sequences. Mar. Micropaleontol. 8, 315-336.
78. Rossignol-Strick, M., 1983. African monsoons, an immediate climate response to orbital insolation. Nature 304, 46-49.
79. Rossignol-Strick, M., 1985. Mediterranean Quaternary sapropels, an immediate response of the African monsoon to variation of insolation. Palaeogeogr. Palaeoclimatol. Palaeoecol. 49, 237-263.
80. Ruggieri, G., 1958. Gli esotici neogenici della colata gravitativa della Val Marecchia. Atti Acc. Sci. Lett. Arti Palermo 27 (4), 169 pp.
81. Ruggieri, G., 1973. Pliocene. In: Desio, A. (Ed.), Geologia del-l'Italia. UTET, pp. 638-676.
82. Sancetta, C., 1994. Mediterranean sapropels: Seasonal stratification yields high production and carbon flux. Paleoceanography 9 (2), 195-196.
83. 13C of planktonic foraminifera from an upwelling environment: sediment trap results from the San Pedro Basin, Southern California Bight. Paleoceanography 6, 307-334.
84. Sen Gupta, B.K., Machain-Castillo, M.L., 1993. Benthic foraminifera in oxygen-poor habitats. Mar. Micropaleontol. 20, 183-201.
85. Sestini, G. (Ed.), 1970. Development of the northern Apennines geosyncline. Sediment. Geol. 4, 341-444.
86. Sorbini, L., 1982. Il giacimento con vertebrati fossili del Fiume Marecchia (Poggio Berni, Appennino romagnolo). In: Cremonini, G., Ricci-Lucchi, F. (Eds.), Guida alla Geologia del Margine Appenninico-padano. Guida Geologica Regionale, S.G.I., pp. 181-182.
87. Sorbini, L., 1987. Biogeography and climatology of Pliocene and Messinian fossil fish of eastern-central Italy. Boll. Mus. Civ. St. Nat. Verona 14, 1-85.
88. Spaak, P., 1983. Accuracy in correlation and ecological aspects of the planktonic foraminiferal zonation of the Mediterranean Pliocene. Utrecht Micropaleontol. Bull. 28, 159 pp.
89. Sprovieri, R., 1991. The Plio-Pleistocene climatic history at O.D.P. Leg 107 Site 653 (Tyrrhenian sea - Western Mediterranean). Boll. Soc. Geol. Ital. 44, 135-144.
90. Sprovieri, R., 1992. Mediterranean Pliocene biochronology: an high resolution record based on quantitative planktonic foraminifera distribution. Riv. Ital. Paleontol. Strat. 98 (1), 61-100.
91. Sprovieri, R., 1993. Pliocene-Early Pleistocene astronomically forced planktonic foraminifera abundance fluctuations and chronology of Mediterranean calcareous plankton bio-events. Riv. Ital. Paleontol. Strat. 99 (3), 371-414.
92. Suc, J.P., 1984. Origin and evolution of the Mediterranean vegetation and climate in Europe. Nature 307, 429-432.
93. Suc, J.P., Zagwijn, W.H., 1983. Plio-Pleistocene correlations between the northwestern Mediterranean region and northwestern Europe according to recent biostratigraphic and paleoclimatic data. Boreas 12, 153-166.
94. Thiede, J., 1983. Skeletal plankton and nekton in upwelling water masses off northwestern South America and northwest Africa. In: Suess, E., Thiede, J. (Eds.), Coastal Upwelling, Plenum, New York, pp. 193-207.
95. 18O and dust flux records of Ocean Drilling Program site 659. Paleoceanography 9, 619-638.
96. Thunell, R.C, Williams, D.E., Kennett, J.P., 1977. Late Quaternary paleoclimatology, stratigraphy and sapropel history in eastern Mediterranean deep-sea sediments. Mar. Micropaleontol. 2, 371-388.
97. Thunell, R.C, Williams, D.F., Cita, M.B., 1983. Glacial anoxia in the eastern Mediterranean. J. Foraminiferal Res. 13 (4), 283-290.
98. Van der Zwaan, G.J., 1983. Quantitative analyses and the reconstruction of benthic foraminiferal communities. Utrecht Micropaleontol. Bull. 30, 49-69.
99. Van Leeuwen, R.J.W., 1989. Sea-floor distribution and Late Quaternary faunal patterns of planktonic and benthic foraminifera in the Angola Basin. Utrecht Micropaleontol. Bull. 38, 287 pp.
100. Verhallen, P.J.J.M., 1987. Early development of Bulimina marginata in relation to paleo-environmental changes in the Mediterranean Pliocene. Kon. Ned. Akad. Wet. Ser. B 90, 161-180.
101. Verhallen, P.J.J.M., 1991. Late Pliocene to Early Pleistocene Mediterranean mud-dwelling foraminifera; influence of a changing environment on community structure and evolution. Utrecht Micropaleontol. Bull. 40, 187 pp.
102. Westrich, J.T., Berner, R.A., 1984. The role of sedimentary organic matter in bacterial sulfate reduction: the G-model tested. Limnol. Oceanogr. 29, 236-249.
103. Wüst, G., 1961. Das Bodenwasser und die Vertikalzirkulation des Mittelländischen Meeres. Dtsch. Hydrogr. Z. 14 (3), 81-92.
104. Zachariasse, W.J., Zijderveld, J.D.A., Langereis, C.G., Hilgen, F.J., Verhallen, P.J.J.M., 1989. Early late Pliocene biochronology and surface water temperature variations in the Mediterranean. Mar. Micropaleontol. 14, 339-355.
105. Zachariasse, W.J., Gudjonnson, L., Hilgen, F.J., Langereis, C.G., Lourens, L.J., Verhallen, P.J.J.M., Zijderveld, J.D.A., 1990. Late Gauss to early Matuyama invasions of Neogloboquadrina atlantica in the Mediterranean and associated record of climatic change. Paleoceanography 5 (2), 239-252.
106. Zagwijn, W.H., 1974. The Pliocene-Pleistocene boundary in western and southern Europe. Boreas 3, 75-97.
107. Zanella, G., 1990. Il clima della pianura emiliano-romagnola. In: Federaz. Casse di Risparmio e Banche del Monte del-l'Emilia-Romagna (Ed.), Il Mondo della Natura in Emilia-Romagna: la Pianura e la Costa. pp. 141-165.
108. Zhang, J., 1985. Living planktonic foraminifera from the eastern Arabian Sea. Deep-Sea Res. 32, 289-798.
109. Zhang, J., Seisser, W.G., 1986. Calcareous nannoplankton in continental-shelf sediments, East China Sea. Micropaleontology 32 (3), 271-281.