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all geography including DSDP/ODP Sites and Legs
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Mahajanga Basin (3)
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Indian Ocean Islands
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1-14 OF 14 RESULTS FOR
Masorobe Member
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Image
Outcrop views of the Masorobe Member of the Maevarano Formation. A , View ...
in Stratigraphic Analysis of Upper Cretaceous Rocks in the Mahajanga Basin, Northwestern Madagascar: Implications for Ancient and Modern Faunas
> The Journal of Geology
Published: 01 May 2000
Figure 6. Outcrop views of the Masorobe Member of the Maevarano Formation. A , View of the base of the Maevarano Formation type section showing typical red-bed facies of the Masorobe Member. B , Paleosols are well developed within the Masorobe Member, and root mottling with a strong vertical
Image
Exposures of the Masorobe Member that preserve abundant large-diameter burr...
in LUNGFISH BURROWS FROM THE UPPER CRETACEOUS MAEVARANO FORMATION, MAHAJANGA BASIN, NORTHWESTERN MADAGASCAR
> PALAIOS
Published: 01 December 2012
FIGURE 2 Exposures of the Masorobe Member that preserve abundant large-diameter burrows in the Befandrama study area (15°47′28.5″S, 46°40′25.7″E), with corresponding stratigraphic sections (labeled A, B, and C). Section B intersects the mapped surface (under bracket) detailed in Figure 3
Image
Longitudinal views of large-diameter burrows in the Masorobe Member in the ...
in LUNGFISH BURROWS FROM THE UPPER CRETACEOUS MAEVARANO FORMATION, MAHAJANGA BASIN, NORTHWESTERN MADAGASCAR
> PALAIOS
Published: 01 December 2012
FIGURE 4 Longitudinal views of large-diameter burrows in the Masorobe Member in the Befandrama study area. A) Outcrop of cross-stratified fluvial sandstone with arrows indicating locations of large-diameter vertical burrows. B) Exhumed vertical exposure showing deflected laminae adjacent
Image
Associated trace fossils in the Masorobe Member. A–B) Vertical and U-shaped...
in LUNGFISH BURROWS FROM THE UPPER CRETACEOUS MAEVARANO FORMATION, MAHAJANGA BASIN, NORTHWESTERN MADAGASCAR
> PALAIOS
Published: 01 December 2012
FIGURE 7 Associated trace fossils in the Masorobe Member. A–B) Vertical and U-shaped burrows with greenish clay-rich fill, identified as Arenicolites . These traces were documented in Unit 2 of Figure 2 . C) Smaller-scale trace fossils in the oxidized paleosol (Unit 3, Fig. 2 ) subjacent
Journal Article
LUNGFISH BURROWS FROM THE UPPER CRETACEOUS MAEVARANO FORMATION, MAHAJANGA BASIN, NORTHWESTERN MADAGASCAR
Journal: PALAIOS
Publisher: SEPM Society for Sedimentary Geology
Published: 01 December 2012
PALAIOS (2012) 27 (12): 857–866.
...FIGURE 2 Exposures of the Masorobe Member that preserve abundant large-diameter burrows in the Befandrama study area (15°47′28.5″S, 46°40′25.7″E), with corresponding stratigraphic sections (labeled A, B, and C). Section B intersects the mapped surface (under bracket) detailed in Figure 3...
Image
Graphic stratigraphic log of the proposed stratotype of the Maevarano Forma...
in Stratigraphic Analysis of Upper Cretaceous Rocks in the Mahajanga Basin, Northwestern Madagascar: Implications for Ancient and Modern Faunas
> The Journal of Geology
Published: 01 May 2000
Figure 4. Graphic stratigraphic log of the proposed stratotype of the Maevarano Formation and Masorobe Member. This measured section is located along the southern flank of a prominent ridge called Masorobe northeast of the village of Berivotra ( fig. 2 ). The coordinates at the base
Image
Longitudinal views of large-diameter burrows in the Anembalemba Member in t...
in LUNGFISH BURROWS FROM THE UPPER CRETACEOUS MAEVARANO FORMATION, MAHAJANGA BASIN, NORTHWESTERN MADAGASCAR
> PALAIOS
Published: 01 December 2012
corner). Cross-stratified beds of facies 1 of the Anembalemba Member are present above the contact. Contorted beds of the Masorobe Member, presumably an artifact of lungfish bioturbation, are present below the contact.
Image
Figure 1. A: Outcrop map of Upper Cretaceous and Tertiary strata in Mahajan...
in Fine-grained debris flows and extraordinary vertebrate burials in the Late Cretaceous of Madagascar
> Geology
Published: 01 April 2005
Anembalemba Member is underlain by Masorobe Member (MM) of Maevarano Formation and overlain by marine strata of Berivotra Formation (BF)
Image
Regional stratigraphy and local section in Befandrama study area. A) Outcro...
in LUNGFISH BURROWS FROM THE UPPER CRETACEOUS MAEVARANO FORMATION, MAHAJANGA BASIN, NORTHWESTERN MADAGASCAR
> PALAIOS
Published: 01 December 2012
from the Marovoay and Ankazomihaboka beds, which underlie the Maevarano Formation. B) Schematic section of the Maevarano Formation in the Befandrama study area illustrating stratigraphic position of lungfish trace fossils described in this report. Only the upper ∼10 m of the Masorobe Member are exposed
Journal Article
Stratigraphic Analysis of Upper Cretaceous Rocks in the Mahajanga Basin, Northwestern Madagascar: Implications for Ancient and Modern Faunas: A Discussion
Journal: The Journal of Geology
Publisher: The University of Chicago Press
Published: 01 September 2001
The Journal of Geology (2001) 109 (5): 669–673.
.... They further subdivided the Maevarano Formation into three members (from bottom to top): the Masorobe, Anembalemba, and Miadana Members. Figure 1. Chronostratigraphy of the Upper Cretaceous of the central Mahajanga Basin: comparison between different subdivisions and a new proposal discussed in the text...
Journal Article
Stratigraphic Analysis of Upper Cretaceous Rocks in the Mahajanga Basin, Northwestern Madagascar: Implications for Ancient and Modern Faunas
Journal: The Journal of Geology
Publisher: The University of Chicago Press
Published: 01 May 2000
The Journal of Geology (2000) 108 (3): 275–301.
...Figure 6. Outcrop views of the Masorobe Member of the Maevarano Formation. A , View of the base of the Maevarano Formation type section showing typical red-bed facies of the Masorobe Member. B , Paleosols are well developed within the Masorobe Member, and root mottling with a strong vertical...
Journal Article
Stratigraphic Analysis of Upper Cretaceous Rocks in the Mahajanga Basin, Northwestern Madagascar: Implications for Ancient and Modern Faunas: A Reply
Journal: The Journal of Geology
Publisher: The University of Chicago Press
Published: 01 September 2001
The Journal of Geology (2001) 109 (5): 674–676.
... or surrounding hills. We have hiked to and around the base of Anembalemba with the express purpose of testing this hypothesis and found no trace of marine shales or limestones that can be correlated to unit 3. Instead, we encountered the characteristic mottled red sandstone facies of the Masorobe Member (Rogers...
Journal Article
Fine-grained debris flows and extraordinary vertebrate burials in the Late Cretaceous of Madagascar
Journal: Geology
Publisher: Geological Society of America
Published: 01 April 2005
Geology (2005) 33 (4): 297–300.
... Anembalemba Member is underlain by Masorobe Member (MM) of Maevarano Formation and overlain by marine strata of Berivotra Formation (BF) ...
Image
Graphic stratigraphic logs of Anembalemba and Miadana Members of the Maevar...
in Stratigraphic Analysis of Upper Cretaceous Rocks in the Mahajanga Basin, Northwestern Madagascar: Implications for Ancient and Modern Faunas
> The Journal of Geology
Published: 01 May 2000
at the type locality and consists of a mix of fine- to coarse-grained lithologies. Claystone beds make up >30% of the section, and sandstone beds are for the most part finer grained than their counterparts in either the Masorobe or Anembalemba members. A thin bed of conglomeratic sandstone crops out 10 m