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rhodoliths

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Journal Article
Journal: PALAIOS
Published: 01 September 2015
PALAIOS (2015) 30 (9): 680–691.
...FLORIAN NITSCH; JAMES H. NEBELSICK; DAVIDE BASSI Abstract Micro-CT analysis has been established as a useful, non-destructive method for assessing the inner arrangement of rhodoliths. In this study, micro-CT analyses and sectioning techniques are used for void space assessment, the reconstruction...
FIGURES | View All (8)
Journal Article
Journal: PALAIOS
Published: 01 February 2009
PALAIOS (2009) 24 (2): 92–103.
...DANIELA BASSO; RONALD NALIN; CAMPBELL S. NELSON Abstract Shallow-water Sporolithon rhodoliths from New Zealand are described here on the basis of shape, size, composition, internal structure, and major taphonomic attributes, with the aim of discussing their significance in the framework of current...
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Journal Article
Journal: PALAIOS
Published: 01 June 2000
PALAIOS (2000) 15 (3): 212–224.
...DAVID J. HILLS; BRIAN JONES Abstract Rhodoliths from the Late Pleistocene Ironshore Formation in the Crystal Harbour area on the western part of Grand Cayman, which are up to 14 cm long, are characterized by thick cortices that were constructed around nucleii formed primarily of coral or bivalve...
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Journal Article
Journal: PALAIOS
Published: 09 October 2018
PALAIOS (2018) 33 (10): 464–477.
...POLIANA S. BRASILEIRO; JUAN C. BRAGA; GILBERTO M. AMADO-FILHO; RACHEL N. LEAL; DAVIDE BASSI; TARCILA FRANCO; ALEX C. BASTOS; RODRIGO L. MOURA Abstract The structure and composition of rhodoliths in two regions of the Brazilian shelf, Abrolhos Continental Shelf (ACS) and South Espírito Santo State...
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Journal Article
Published: 01 April 2006
Journal of Sedimentary Research (2006) 76 (4): 670–682.
...Steffen Hetzinger; Jochen Halfar; Bernhard Riegl; Lucio Godinez-Orta Abstract Rhodolith facies are characterized by an abundance of free-living coralline red algae, and are a common feature of modern and ancient carbonate shelves worldwide. Rhodolith communities contribute significantly...
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Journal Article
Published: 01 February 2010
Italian Journal of Geosciences (2010) 129 (1): 119–131.
...Marco Brandano; Michele Morsilli; Grazia Vannucci; Mariano Parente; Francesca Bosellini; Guillem Mateu-Vicens Abstract This study describes the rhodolith-rich lithofacies of the Porto Badisco Calcarenites, an upper Chattian rhodalgal/larger foraminiferal-dominated unit exposed in the southern part...
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Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.255.01.03
EISBN: 9781862395039
... (about 63 m, Fig. 17 ) corallines appear to have grown in rather quiet conditions, as indicated by rhodolith structure and strong competition with sessile fauna. The molluscan fossil assemblage of the GRC03D and GRC04D intervals is characterized by hard-substrate species that flourished in the presence...
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Journal Article
Published: 01 January 2002
Italian Journal of Geosciences (2002) 121 (2): 179–186.
... and pectinid-bryozoan floatstone; the third unit (UL3) is composed of 8 meters of finely stratified, with planar bedding planes, fine to medium-grained echinoid-planktonic foraminiferal packstone. A "mineralized" hard-ground marks the boundary between UL3 and "Orbulina marls". The analysed rhodoliths occur...
Journal Article
Journal: GeoArabia
Publisher: Gulf Petrolink
Published: 01 October 2014
GeoArabia (2014) 19 (4): 59–108.
... to the east and possibly the west, and consist mostly of rhodoliths, echinoid and coral fragments together with the benthonic larger foraminifera Operculinella venosa, Operculina complanata, Heterostegina depressa and Borelis melo . The planktonic foraminifera include species of Globigerina, Globigerinoides...
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Journal Article
Published: 01 March 1974
Journal of Sedimentary Research (1974) 44 (1): 7–26.
... environment is undersaturated with calcium carbonate. Yet, in this environment, carbonate cement is forming in various kinds of openings within living coralline algal nodules (rhodoliths) consisting mostly of Lithothamnium . The internal cement is composed of aragonite needle cement, aragonite spherulitic...
Series: SEPM Special Publication
Published: 01 January 2010
DOI: 10.2110/sepmsp.095.243
EISBN: 9781565762992
... At Tadin, block samples (4) and 2.5 cm mini-cores (8) were collected from a well-cemented hardground that caps the lower rhodolith deposits. In the overlying foralgalith unit at the base of the atoll, individual samples (12) were dislodged from the less cemented, carbonate sand matrix...
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Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.255.01.04
EISBN: 9781862395039
... of the depositional settings and the related palaeoceanographic controls, the coralline algal assemblages were differentiated according to coralline growth forms, rhodolith shapes, rhodolith inner structure and taxonomic composition. In addition, a first analysis was carried out in order to discriminate among...
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Image
( 1 ) <b>Rhodoliths</b> from Assemblage 1 with encrusting barnacles; ( 2 ) detail ...
Published: 01 July 2019
Figure 4. ( 1 ) Rhodoliths from Assemblage 1 with encrusting barnacles; ( 2 ) detail of the sedimentary succession of Santa Caterina di Pittinuri showing Thalassinoides -like burrows.
Image
<b>Rhodoliths</b> beds. From South Espírito Santo:  A ) Shallow SES, 20 m depth.  ...
in > PALAIOS
Published: 09 October 2018
Fig. 2.— Rhodoliths beds. From South Espírito Santo: A ) Shallow SES, 20 m depth. B ) Deep SES, 50 m depth. From Abrolhos Continental Shelf: C ) Shallow ACS, 30 m depth. D ) Deep ACS, 55 m depth.
Image
Size distribution of <b>rhodoliths</b>. Shallow SES zone (n = 77); deep SES (n = 2...
in > PALAIOS
Published: 09 October 2018
Fig. 3.— Size distribution of rhodoliths. Shallow SES zone (n = 77); deep SES (n = 23); shallow ACS (n = 192); deep ACS (n = 213). Note the absence of rhodoliths bigger than 8 cm at shallow SES.
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Mean, minimum and maximum size (cm) and shape (%) of <b>rhodoliths</b> from South ...
in > PALAIOS
Published: 09 October 2018
Table 2.— Mean, minimum and maximum size (cm) and shape (%) of rhodoliths from South of Espírito Santo (SES) and Abrolhos Continental Shelf (ACS) depths .
Image
<b>Rhodoliths</b> from South Espírito Santo State (SES) showing laminar concentric...
in > PALAIOS
Published: 09 October 2018
Fig. 5.— Rhodoliths from South Espírito Santo State (SES) showing laminar concentric and boxwork arrangement. Constructional voids can be observed between the laminar layers. Shallow SES (A–E): A ) Sample ER1. B ) Sample ER2. C ) Sample ER3. Arrow points to partially dissolved coral skeleton
Image
Micrographs of <b>rhodoliths</b> from South Espírito Santo State (SES).  A ) Shall...
in > PALAIOS
Published: 09 October 2018
Fig. 6.— Micrographs of rhodoliths from South Espírito Santo State (SES). A ) Shallow SES sample ER1, boundstone of crustose coralline algae (CA) intergrown with bryozoans (Br). White arrow points to a constructional void; green and red arrows point to a bioeroded first-phase and a second phase
Image
Percentage in <b>rhodoliths</b> of builders, trace fossils (with and without infil...
in > PALAIOS
Published: 09 October 2018
Table 5.— Percentage in rhodoliths of builders, trace fossils (with and without infilling sediments), voids, and matrix/sediment .
Image
Calcareous algal taxa in the interior of <b>rhodoliths</b> from South of Espírito ...
in > PALAIOS
Published: 09 October 2018
Table 6.— Calcareous algal taxa in the interior of rhodoliths from South of Espírito Santo (SES) and Abrolhos Continental Shelf (ACS) depths .