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Archimedes

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Journal Article
Journal: Elements
Published: 01 February 2016
Elements (2016) 12 (1): 3–4.
Journal Article
Journal: PALAIOS
Published: 01 December 2002
PALAIOS (2002) 17 (6): 556–570.
.... Although at least six distinct species of Archimedes occurred in the mid-Carboniferous shallow seas of North America, the distribution of a sample of 116 of their helical colony morphologies within theoretical morphospace forms two clouds of points that correspond to two paleoenvironmental settings...
FIGURES | View All (12)
Journal Article
Published: 01 March 1996
Journal of Paleontology (1996) 70 (2): 218–229.
Journal Article
Journal: PALAIOS
Published: 01 April 1990
PALAIOS (1990) 5 (2): 160–166.
Journal Article
Journal: Paleobiology
Published: 01 January 1983
Paleobiology (1983) 9 (1): 35–43.
...Frank K. McKinney Abstract Bases of attachment of Archimedes colonies are very rare, but many colonies show evidence of origination from a pre-existing set of branches. The evidence consists of spiralled supports originating from fragments branches, proximal taper of colonies or axial screws...
Journal Article
Journal: Paleobiology
Published: 01 April 1982
Paleobiology (1982) 8 (2): 101–112.
Journal Article
Published: 01 July 1970
Journal of Paleontology (1970) 44 (4): 669–672.
Journal Article
Published: 01 July 1961
Journal of Paleontology (1961) 35 (4): 874–875.
Journal Article
Published: 01 September 1953
Journal of Paleontology (1953) 27 (5): 737–741.
Series: GSA Special Papers
Published: 01 January 1944
DOI: 10.1130/SPE53
Series: GSA Special Papers
Published: 01 January 1944
DOI: 10.1130/SPE53-p1
... Detailed morphologic and anatomic investigation indicates a compound nature of the fossil growth-form known as Archimedes. Archimedes screws usually develop upon the outer edges of Fenestella zoaria and are made of the extended coiled mesh-work of this Bryozoa encrusted in the axis...
Series: Society of Economic Geologists Guidebook Series
Published: 01 January 1997
DOI: 10.5382/GB.28
EISBN: 9781934969816
... Abstract The Archimedes gold deposit, discovered in 1992 by Homestake Mining Company, is about 1 mile northwest of Eureka, Nevada in the northern part of the Eureka minin district (Nolan, 1962). The deposit, described in further detail by Dilles et al. (1996), is a largely stratiform body...
Image
Comparison of bulk volumes measured using 3D laser scanner and <b>Archimedes</b> (...
Published: 01 June 2018
Figure A3.5. Comparison of bulk volumes measured using 3D laser scanner and Archimedes (immersion) technique with paraffin-coated samples for a variety of rock samples (modified after Rossi et al., 2008 ).
Image
( a ) Helium porosity, <b>Archimedes</b> porosity and NMR porosity of investigated...
Published: 01 May 2011
Fig. 8 ( a ) Helium porosity, Archimedes porosity and NMR porosity of investigated samples. Helium porosity tends to be the highest, whereas NMR porosity is underestimated due to iron-bearing minerals in greensand. ( b ) Cross plot of delta porosity (Archimedes porosity–NMR porosity) and minerals
Image
FIGURE 1 —Paleoenvironments inhabited by  <b>Archimedes</b>  colonies: basinal ope...
in > PALAIOS
Published: 01 December 2002
FIGURE 1 —Paleoenvironments inhabited by Archimedes colonies: basinal open shelf, below normal wave base (left), protected pockets within calcarenite shoals (center), and shallow protected zone leeward of shoals (right). From McKinney (1979)
Image
FIGURE 7 —The distribution of basinal  <b>Archimedes</b>  colonies (triangles) and...
in > PALAIOS
Published: 01 December 2002
FIGURE 7 —The distribution of basinal Archimedes colonies (triangles) and back-shoal Archimedes colonies (ellipses) in the ELEV-BWANG slice through the theoretical morphospace, and with respect to the field of surface-area indices (cf. Fig. 4 ). The mean position of the basinal colonies
Image
FIGURE 8 —The distribution of basinal  <b>Archimedes</b>  colonies (triangles) and...
in > PALAIOS
Published: 01 December 2002
FIGURE 8 —The distribution of basinal Archimedes colonies (triangles) and back-shoal Archimedes colonies (ellipses) in the XMIN-BWANG slice through the theoretical morphospace, and with respect to the field of branching-density indices (cf. Fig. 5 ). The mean position of the basinal colonies
Image
FIGURE 9 —The distribution of basinal  <b>Archimedes</b>  colonies (triangles) and...
in > PALAIOS
Published: 01 December 2002
FIGURE 9 —The distribution of basinal Archimedes colonies (triangles) and back-shoal Archimedes colonies (ellipses) in the ELEV-XMIN slice through the theoretical morphospace, and with respect to the field of colony structural-density indices (cf. Fig. 6 ). The mean position of the basinal
Image
FIGURE 11 —Typical  <b>Archimedes</b>  morphologies in colonies from back-shoal en...
in > PALAIOS
Published: 01 December 2002
FIGURE 11 —Typical Archimedes morphologies in colonies from back-shoal environments. (A) Axial screws from Fox Trap, Alabama, McK 6991. (B) Edges of complete branch systems of two colonies, left colony with growth direction toward top of figure and right colony with growth direction toward bottom
Journal Article
Published: 01 June 2018
Bulletin of Canadian Petroleum Geology (2018) 66 (2): 472–498.
...Figure A3.5. Comparison of bulk volumes measured using 3D laser scanner and Archimedes (immersion) technique with paraffin-coated samples for a variety of rock samples (modified after Rossi et al., 2008 ). ...
FIGURES | View All (27)