PLEISTOCENE ROLLING STONES OR LARGE BRYOZOAN NODULES IN A MIXED SILICICLASTIC-CARBONATE ENVIRONMENT (RHODES, GREECE)
Spectacular accumulations of abundant bryozoan nodules (bryoliths) occur in the early Pleistocene coarse-grained, mixed carbonate-siliciclastic deposits of the Cape Arkhangelos Calcarenite of Rhodes, Greece. These bryoliths are always associated with numerous bivalves (mostly ostreids and pectinids)...
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description | Spectacular accumulations of abundant bryozoan nodules (bryoliths) occur in the early Pleistocene coarse-grained, mixed carbonate-siliciclastic deposits of the Cape Arkhangelos Calcarenite of Rhodes, Greece. These bryoliths are always associated with numerous bivalves (mostly ostreids and pectinids) and serpulid worms, together with other rarer skeletal organisms. The spheroidal bryoliths vary in diameter from 1 cm to 16 cm, and those with a more ellipsoidal shape range from 0.8 cm to 22 cm in length and from 0.7 cm to 16 cm in width; an elongated bryolith of exceptional size (40 cm) was even found. The bryoliths are composed almost exclusively of the anascan cheilostome Calpensia nobilis and are nucleated on gravels, pebbles, or bivalve shells. After settlement of bryozoan crusts, the bryoliths increased in size by repeated overturning of these mobile hard substrates by longshore currents. The bryoliths developed at depths of 20–40 m on a flat shoal between emerged areas where bottom currents episodically accelerated during storms. The currents also transported the bryoliths, together with other skeletal elements, into deeper settings (40–80 m) where they could continue their growth, upward or downward, or be colonized by other organisms. |
doi_str_mv | 10.2110/palo.2009.p09-024r |
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These bryoliths are always associated with numerous bivalves (mostly ostreids and pectinids) and serpulid worms, together with other rarer skeletal organisms. The spheroidal bryoliths vary in diameter from 1 cm to 16 cm, and those with a more ellipsoidal shape range from 0.8 cm to 22 cm in length and from 0.7 cm to 16 cm in width; an elongated bryolith of exceptional size (40 cm) was even found. The bryoliths are composed almost exclusively of the anascan cheilostome Calpensia nobilis and are nucleated on gravels, pebbles, or bivalve shells. After settlement of bryozoan crusts, the bryoliths increased in size by repeated overturning of these mobile hard substrates by longshore currents. The bryoliths developed at depths of 20–40 m on a flat shoal between emerged areas where bottom currents episodically accelerated during storms. The currents also transported the bryoliths, together with other skeletal elements, into deeper settings (40–80 m) where they could continue their growth, upward or downward, or be colonized by other organisms.</description><identifier>ISSN: 0883-1351</identifier><identifier>ISSN: 0883-0351</identifier><identifier>EISSN: 1938-5323</identifier><identifier>DOI: 10.2110/palo.2009.p09-024r</identifier><language>eng</language><publisher>SEPM Society for Sedimentary Geology, 4111 S Darlington, Suite 100, Tulsa, OK 74135-6373, U.S.A: SEPM Society for Sedimentary Geology</publisher><subject>Aegean Islands ; Algae ; Bivalvia ; Bryozoa ; Calpensia nobilis ; Cape Arkhangelos Calcarenite ; Carbonates ; Cenozoic ; Cheilostomata ; coastal environment ; concretions ; Continental interfaces, environment ; Dodecanese ; Environmental Sciences ; Europe ; faunal list ; Fossils ; Geology ; Global Changes ; Gravel ; Greece ; Greek Aegean Islands ; Invertebrata ; lithostratigraphy ; Livada Plateau ; lower Pleistocene ; Mediterranean region ; Mollusca ; Nodules ; Outcrops ; Paleoecology ; paleoenvironment ; Pebbles ; Pleistocene ; Polychaetia ; Quaternary ; Quaternary geology ; Rhodes ; Sciences of the Universe ; secondary structures ; sedimentary structures ; Sediments ; Serpulidae ; Southern Europe ; subtidal environment ; Vermes</subject><ispartof>Palaios, 2010-01, Vol.25 (1), p.24-39</ispartof><rights>SEPM (Society for Sedimentary Geology)</rights><rights>GeoRef, Copyright 2020, American Geosciences Institute. 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These bryoliths are always associated with numerous bivalves (mostly ostreids and pectinids) and serpulid worms, together with other rarer skeletal organisms. The spheroidal bryoliths vary in diameter from 1 cm to 16 cm, and those with a more ellipsoidal shape range from 0.8 cm to 22 cm in length and from 0.7 cm to 16 cm in width; an elongated bryolith of exceptional size (40 cm) was even found. The bryoliths are composed almost exclusively of the anascan cheilostome Calpensia nobilis and are nucleated on gravels, pebbles, or bivalve shells. After settlement of bryozoan crusts, the bryoliths increased in size by repeated overturning of these mobile hard substrates by longshore currents. The bryoliths developed at depths of 20–40 m on a flat shoal between emerged areas where bottom currents episodically accelerated during storms. The currents also transported the bryoliths, together with other skeletal elements, into deeper settings (40–80 m) where they could continue their growth, upward or downward, or be colonized by other organisms.</description><subject>Aegean Islands</subject><subject>Algae</subject><subject>Bivalvia</subject><subject>Bryozoa</subject><subject>Calpensia nobilis</subject><subject>Cape Arkhangelos Calcarenite</subject><subject>Carbonates</subject><subject>Cenozoic</subject><subject>Cheilostomata</subject><subject>coastal environment</subject><subject>concretions</subject><subject>Continental interfaces, environment</subject><subject>Dodecanese</subject><subject>Environmental Sciences</subject><subject>Europe</subject><subject>faunal list</subject><subject>Fossils</subject><subject>Geology</subject><subject>Global Changes</subject><subject>Gravel</subject><subject>Greece</subject><subject>Greek Aegean Islands</subject><subject>Invertebrata</subject><subject>lithostratigraphy</subject><subject>Livada Plateau</subject><subject>lower Pleistocene</subject><subject>Mediterranean region</subject><subject>Mollusca</subject><subject>Nodules</subject><subject>Outcrops</subject><subject>Paleoecology</subject><subject>paleoenvironment</subject><subject>Pebbles</subject><subject>Pleistocene</subject><subject>Polychaetia</subject><subject>Quaternary</subject><subject>Quaternary geology</subject><subject>Rhodes</subject><subject>Sciences of the Universe</subject><subject>secondary structures</subject><subject>sedimentary structures</subject><subject>Sediments</subject><subject>Serpulidae</subject><subject>Southern Europe</subject><subject>subtidal environment</subject><subject>Vermes</subject><issn>0883-1351</issn><issn>0883-0351</issn><issn>1938-5323</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqNkVGPlDAUhYnRxHH1D5iY9E03ynjbUiiPLFNnSLrUAGvUl4aBokzY6QgzGv-9JZh93qeb3vOdk5sez3uNYU0who-nerBrAhCvTxD7QILxibfCMeU-o4Q-9VbAOfUxZfi592KaDgCYASMr7_xZiqysVCpygQolZZZvkXvnokSqQDIptgLdFN_Ud5XkKFebO-mULEcJus2-ig0qM5mlWSqTsspSP02KG5UnlUAi_5IVKr8VeYXeFTu1EeUHtC2ESMX1S-9ZVw-TefV_Xnl3n0SV7nyptlmaSL8OwujsxxGDoO3Ctm2BMhPuoetC3BgcmRZIQzhlAcFRyxmHet9C2LGuJlBjbti-jQN65V0vuT_rQZ_G_r4e_2pb93qXSD3vAIKIsSj8jR37dmFPo_11MdNZ3_dTY4ahPhp7mTRnNOA0puEjSByEhEbgSLKQzWinaTTdwxEY9NybnnvTc2_a9abn3pzpzWI6TGc7PjgCCCFkOHL6-0X_YezU9ObYmD92HFp9sJfx6L7T5blkwBw4cTQs9L639mgec8A_dhWp0w</recordid><startdate>201001</startdate><enddate>201001</enddate><creator>MOISSETTE, PIERRE</creator><creator>CORNÉE, JEAN-JACQUES</creator><creator>KOSKERIDOU, EFTERPI</creator><general>SEPM Society for Sedimentary Geology</general><general>Society for Sedimentary Geology</general><general>SEPM (Society for Sedimentary Geology)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H95</scope><scope>L.G</scope><scope>7SN</scope><scope>C1K</scope><scope>1XC</scope><orcidid>https://orcid.org/0000-0003-0542-098X</orcidid><orcidid>https://orcid.org/0000-0003-4432-1394</orcidid></search><sort><creationdate>201001</creationdate><title>PLEISTOCENE ROLLING STONES OR LARGE BRYOZOAN NODULES IN A MIXED SILICICLASTIC-CARBONATE ENVIRONMENT (RHODES, GREECE)</title><author>MOISSETTE, PIERRE ; CORNÉE, JEAN-JACQUES ; KOSKERIDOU, EFTERPI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a467t-97504df6ddd035e6b0ff61ce17ed02c28354217d8580abd06f5fa20a18e5bd943</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Aegean Islands</topic><topic>Algae</topic><topic>Bivalvia</topic><topic>Bryozoa</topic><topic>Calpensia nobilis</topic><topic>Cape Arkhangelos Calcarenite</topic><topic>Carbonates</topic><topic>Cenozoic</topic><topic>Cheilostomata</topic><topic>coastal environment</topic><topic>concretions</topic><topic>Continental interfaces, environment</topic><topic>Dodecanese</topic><topic>Environmental Sciences</topic><topic>Europe</topic><topic>faunal list</topic><topic>Fossils</topic><topic>Geology</topic><topic>Global Changes</topic><topic>Gravel</topic><topic>Greece</topic><topic>Greek Aegean Islands</topic><topic>Invertebrata</topic><topic>lithostratigraphy</topic><topic>Livada Plateau</topic><topic>lower Pleistocene</topic><topic>Mediterranean region</topic><topic>Mollusca</topic><topic>Nodules</topic><topic>Outcrops</topic><topic>Paleoecology</topic><topic>paleoenvironment</topic><topic>Pebbles</topic><topic>Pleistocene</topic><topic>Polychaetia</topic><topic>Quaternary</topic><topic>Quaternary geology</topic><topic>Rhodes</topic><topic>Sciences of the Universe</topic><topic>secondary structures</topic><topic>sedimentary structures</topic><topic>Sediments</topic><topic>Serpulidae</topic><topic>Southern Europe</topic><topic>subtidal environment</topic><topic>Vermes</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>MOISSETTE, PIERRE</creatorcontrib><creatorcontrib>CORNÉE, JEAN-JACQUES</creatorcontrib><creatorcontrib>KOSKERIDOU, EFTERPI</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 1: Biological Sciences & Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Ecology Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Hyper Article en Ligne (HAL)</collection><jtitle>Palaios</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>MOISSETTE, PIERRE</au><au>CORNÉE, JEAN-JACQUES</au><au>KOSKERIDOU, EFTERPI</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>PLEISTOCENE ROLLING STONES OR LARGE BRYOZOAN NODULES IN A MIXED SILICICLASTIC-CARBONATE ENVIRONMENT (RHODES, GREECE)</atitle><jtitle>Palaios</jtitle><date>2010-01</date><risdate>2010</risdate><volume>25</volume><issue>1</issue><spage>24</spage><epage>39</epage><pages>24-39</pages><issn>0883-1351</issn><issn>0883-0351</issn><eissn>1938-5323</eissn><abstract>Spectacular accumulations of abundant bryozoan nodules (bryoliths) occur in the early Pleistocene coarse-grained, mixed carbonate-siliciclastic deposits of the Cape Arkhangelos Calcarenite of Rhodes, Greece. These bryoliths are always associated with numerous bivalves (mostly ostreids and pectinids) and serpulid worms, together with other rarer skeletal organisms. The spheroidal bryoliths vary in diameter from 1 cm to 16 cm, and those with a more ellipsoidal shape range from 0.8 cm to 22 cm in length and from 0.7 cm to 16 cm in width; an elongated bryolith of exceptional size (40 cm) was even found. The bryoliths are composed almost exclusively of the anascan cheilostome Calpensia nobilis and are nucleated on gravels, pebbles, or bivalve shells. After settlement of bryozoan crusts, the bryoliths increased in size by repeated overturning of these mobile hard substrates by longshore currents. The bryoliths developed at depths of 20–40 m on a flat shoal between emerged areas where bottom currents episodically accelerated during storms. The currents also transported the bryoliths, together with other skeletal elements, into deeper settings (40–80 m) where they could continue their growth, upward or downward, or be colonized by other organisms.</abstract><cop>SEPM Society for Sedimentary Geology, 4111 S Darlington, Suite 100, Tulsa, OK 74135-6373, U.S.A</cop><pub>SEPM Society for Sedimentary Geology</pub><doi>10.2110/palo.2009.p09-024r</doi><tpages>16</tpages><orcidid>https://orcid.org/0000-0003-0542-098X</orcidid><orcidid>https://orcid.org/0000-0003-4432-1394</orcidid></addata></record> |
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subjects | Aegean Islands Algae Bivalvia Bryozoa Calpensia nobilis Cape Arkhangelos Calcarenite Carbonates Cenozoic Cheilostomata coastal environment concretions Continental interfaces, environment Dodecanese Environmental Sciences Europe faunal list Fossils Geology Global Changes Gravel Greece Greek Aegean Islands Invertebrata lithostratigraphy Livada Plateau lower Pleistocene Mediterranean region Mollusca Nodules Outcrops Paleoecology paleoenvironment Pebbles Pleistocene Polychaetia Quaternary Quaternary geology Rhodes Sciences of the Universe secondary structures sedimentary structures Sediments Serpulidae Southern Europe subtidal environment Vermes |
title | PLEISTOCENE ROLLING STONES OR LARGE BRYOZOAN NODULES IN A MIXED SILICICLASTIC-CARBONATE ENVIRONMENT (RHODES, GREECE) |
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