Geology of<i>Monotis</i>-bearing Torlesse rocks in Temple Basin near Arthur's Pass, South Island, New Zealand: Comment

Cave, Murry

doi:10.1080/00288306.1981.10422750

Cited by 4 publications

(5 citation statements)

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“…However, it is possible to distinguish and map structural domains at a regional scale (e.g., Cave 1982;Whitehouse & Bradshaw 1988), grouping rocks on the basis of kilometre-scale sequences with a similar structural history. In this study we describe two structural domains in the central Southern Alps-hangingwall and footwall domains.…”

Section: Introductionmentioning

confidence: 99%

The Main Divide Fault Zone and its role in formation of the Southern Alps, New Zealand

Cox

Findlay

1995

New Zealand Journal of Geology and Geophysics

117

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The Main Divide Fault Zone of the Southern Alps is a major fault system extending for a minimum of 60 km immediately below and east of the Main Divide. Regionally it strikes parallel to the Alpine Fault, but in detail is segmented with N-NNE-striking oblique-reverse faults dipping 40-60° northwest, linked by steeper NE-E-striking, oblique strike-slip structures. Dextral steps in the Main Divide follow segmentation of the adjacent faults, with major saddles above the NE-E fault segments. The hangingwall rocks are relatively homoclinal, dipping c. 40° WNW, and composed of pumpellyite-actinolite facies greywackes and semi-schists with bedding transposed by anastomosing faults. The footwall rocks are less deformed, mostly nonschistose prehnite-pumpellyite facies greywackes and argillites, striking generally northeast (dip 50-85° northwest), but are folded by large kilometre-scale, steeply plunging folds. Thermochronological data indicate significant vertical offset during the late Cenozoic. The Main Divide Fault Zone is a backthrust off the Alpine Fault plate boundary, and is fundamental to the uplift and strain within the Southern Alps.

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Section: Introductionmentioning

confidence: 99%

The Main Divide Fault Zone and its role in formation of the Southern Alps, New Zealand

Cox

Findlay

1995

New Zealand Journal of Geology and Geophysics

117

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“…During research for a Ph.D. on the geology of the Torlesse rocks of the F'ark, M. Cave (1982) found deposits containing Mesozoic plant fossils.…”

Section: Recent Ecological and Vegetation History Studiesmentioning

confidence: 99%

“…Palaeobotanical research relevant to Arthur's Pass National Park has been done by Moar (1971), Moar & Lintott (1977), Molloy (1967Molloy ( , 1977, Lintott & Burrows (1973), Burrows (1983), andCave (1982). During research for a Ph.D. on the geology of the Torlesse rocks of the F'ark, M. Cave (1982) found deposits containing Mesozoic plant fossils.…”

Section: Recent Ecological and Vegetation History Studiesmentioning

confidence: 99%

Botany of arthur's pass national park South Island, New Zealand I. History of botanical studies and checklist of the vascular flora

Burrows

1986

New Zealand Journal of Botany

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The paper begins with a brief survey of the history of study of the vascular plants of Arthur's Pass National Park. Taxa first described from the area of the Park are listed. The important work of Julius von Haast, Leonard Cockayne and other early botanists is outlined. The main part of the paper is a floristic list. Distribution records are given for each species, by subregions, altitudinal zones, and the main habitats occupied. The list includes a total of 660 indigenous species, 8 subspecies, and 55 hybrids. Among these species are 1 psilopsid, 6 lycopsids, 70 filicopsids, 13 gymnosperms, and 575 angiosperms. A total of 154 adventive species (all angiosperms) is listed. Separate sections discuss rare and locally distributed species, hybrids, and adventive species.

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“…The rocks are metamorphosed to prehnite pumpellyite facies, and locally to pumpellyite-actinolite facies along and west of the Main Divide (Warren 196' ? : Andrews et al 1974). Bedding is disrupted by faults and variably plunging folds associated with Mesozoic accretion (Andrews et al 1974;MacKinnon 1980;Cave 1981). This Mesozoic structure has since been cut by late Cenozoic faults, which are the principal topic of this paper (Fig.…”

Section: General Geologymentioning

confidence: 99%

Structure and neotectonics on the Main Divide, upper Wilberforce valley, mid Canterbury, New Zealand

Becker

Craw

2000

New Zealand Journal of Geology and Geophysics

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The upper Wilberforce valley drains the Main Divide of the northern portion of the actively rising Southern Alps. The Wilberforce area lies in a transition zone between oblique convergence to the south and a predominantly strikeslip segment to the north. The structure of the area is dominated by the 2 km wide, currently active, Main Divide Fault Zone (MDFZ), which strikes northeast and consists of two main strands. The western strand crosses the Main Divide at Browning Pass and dies out northwards. The eastern strand runs parallel to the Main Divide immediately east of the divide in the upper Wilberforce valley and then crosses the divide farther north. A broad region of relatively low relief and topography at Browning Pass has developed between the two fault strands. The MDFZ was initially dominated by southeast-directed oblique reverse faulting. Neotectonic features in the Browning Pass area, between the two fault strands, show dextral strike-slip motion with as much as 50 m horizontal displacement affecting recently deglaciated surfaces but <10 m of vertical displacement.South of the MDFZ, the structure of the area is dominated by north-striking faults which intersect the MDFZ immediately east of the divide. These faults are subparallel to bedding in the host Torlesse Terrane sediments, and faults and bedding control topography. Bedding becomes rotated subparallel to the MDFZ along the Main Divide. A spaced cleavage in metasediments on the hanging wall of the MDFZ may indicate that the hanging-wall rocks are of higher textural grade than the textural zone I footwall rocks.

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Geology ofMonotis-bearing Torlesse rocks in Temple Basin near Arthur's Pass, South Island, New Zealand: Comment

Cited by 4 publications

References 0 publications

The Main Divide Fault Zone and its role in formation of the Southern Alps, New Zealand

The Main Divide Fault Zone and its role in formation of the Southern Alps, New Zealand

Botany of arthur's pass national park South Island, New Zealand I. History of botanical studies and checklist of the vascular flora

Structure and neotectonics on the Main Divide, upper Wilberforce valley, mid Canterbury, New Zealand

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