The Peel Sound Formation (Devonian) of Prince of Wales and Adjacent Islands: &lt;i&gt;A Preliminary Report&lt;/i&gt;

Broad, D.S.; Dineley, D. L.; Miall, Andrew D.

doi:10.14430/arctic3252

Cited by 8 publications

(4 citation statements)

References 3 publications

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“…The palaeoenvironment most likely represents an alluvial fan system (Broad et al 1968), with the marine Douro Formation grading into the nonmarine Peel Sound Formation . The fossils are found in two lenses of calcareous siltstone and sandstone, which yield enormous quantities of well preserved, transported material.…”

Section: Introductionmentioning

confidence: 99%

Early Devonian stylonurine eurypterids from Arctic Canada

et al. 2010

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Two new stylonurine eurypterids are described from the Peel Sound Formation (Early Devonian, Lochkovian) of the northern coast of Prince of Wales Island, Nunavut, Arctic Canada. Associations including pteraspids and ostracodes indicate a fluvial depositional environment. An almost complete stylonurid, Pagea plotnicki sp. nov., is recognized by its large size and lack of vaulting on the carapace, and it provides evidence that Stylonurus and Pagea are sister-taxa. Also, a smaller incomplete rhenopterid assigned to Leiopterella tetliei gen. et sp. nov., is characterized by its broad turbinate carapace and lack of cuticular sculpture. This assemblage provides the first Canadian record of Pagea, and the youngest occurrence of a rhenopterid outside the Rheno-Hercynian Terrane, indicating that these taxa were more geographically widespread than previously supposed.

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Section: Introductionmentioning

confidence: 99%

Early Devonian stylonurine eurypterids from Arctic Canada

et al. 2010

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“…He considered this an indication that the limestone is in part younger than the conglomerate, although the three facies are also interpreted as partial lateral equivalents. Broad et al (1968) also favored the latter interpretation. The base of the Peel Sound Formation is exposed on eastern Prince of Wales and adjacent islands (Fig.…”

Section: Allen Bay Formationmentioning

confidence: 85%

The structure, metamorphism, and development of the Boothia Arch, Arctic Canada

Brown¹,

Dalziel²,

Rust³

1969

Can. J. Earth Sci.

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The Precambrian basement rocks of the Boothia Arch exhibit three phases of folding characteristic of deep-level deformation in mobile belts. Structural cross-sections demonstrate that the geometry of compositional layering and regionally parallel axial-plane foliation of first-phase folds is controlled primarily by structures of the second phase.The basement gneisses contain assemblages of the amphibolite-granulite transitional facies. The felsic gneisses exhibit a planar fabric clearly defined by nearly oblate quartz grains, usually considered to be typical of "granulite" facies rocks. In the Boothia Arch this foliation is an axial surface structure formed during the second fold phase. Fabric studies suggest that anhydrous assemblages stable in the granulite facies prior to the second phase of deformation were replaced during this phase by hydrous assemblages characteristic of the amphibolite-granulite transitional facies.The Boothia Arch was a source of clastic sediments during three periods of cover-rock deposition. It was a mild positive feature in Aston times (late Proterozoic or early Paleotoic), and was rapidly uplifted along north-south trends during late Silurian and early Devonian times to produce continental clastic facies of the Peel Sound Formation symmetrically related to the arch. The limited Cretaceous-Tertiary record suggests irregular uplift and localized deltaic sedimentation. At other times the Boothia Arch was insignificant as a source of detritus, and carbonates were deposited over the area.The north-south strike of compositional banding and axial surfaces of the first-and second-phase folds in the basement parallels the axis of the arch and axial surfaces of folds in the cover rocks. Also, fracture patterns in the basement and cover rocks are similar. Beyond this there is no obvious relationship between the internal structure of the basement and the later development of the arch.

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“…The locality has been dated as Early Devonian (Lochkovian) based on agnathans and gnathostomes (Elliott 1984). The environmental setting was probably a non-marine, alluvial fan system (Broad et al 1968), whereby the marine Douro Formation grades into the Peel Sound Formation (Dineley 1965;Miall et al 1978). The fossils were found in a calcareous sandstone in a poorly laminated pale brown marl unit.…”

Section: Methodsmentioning

confidence: 99%

The Early Devonian eurypteridLeiopterella tetlieifrom Arctic Canada

Braddy¹,

Dunlop

Bonsor

2021

Can. J. Earth Sci.

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The stylonurid eurypterid Leiopterella tetliei Lamsdell, Braddy, Loeffler, and Dineley, 2010 (Chelicerata: Eurypterida: Rhenopteridae) from the Early Devonian (Lochkovian) of Nunavut in Arctic Canada is redescribed. Restudy of the holotype under polarized light revealed a labrum, epistomal sutures, prosomal appendage III, and deltoid plates anterior to the genital appendage. An additional new specimen preserves the distal podomeres of appendage VI and gradually tapering opisthosomal tergites. The characters resolved here support the hypothesis that L. tetliei was relatively basal within the wider Stylonurina clade, with its tapering postabdomen supporting a more basal position within Rhenopteridae than previously suggested.

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The Peel Sound Formation (Devonian) of Prince of Wales and Adjacent Islands: <i>A Preliminary Report</i>

Cited by 8 publications

References 3 publications

Early Devonian stylonurine eurypterids from Arctic Canada

Early Devonian stylonurine eurypterids from Arctic Canada

The structure, metamorphism, and development of the Boothia Arch, Arctic Canada

The Early Devonian eurypteridLeiopterella tetlieifrom Arctic Canada

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