scholarly journals The age of Wolfe Creek meteorite crater ( Kandimalal ), Western Australia

2019 ◽  
Vol 54 (11) ◽  
pp. 2686-2697 ◽  
Author(s):  
Timothy T. Barrows ◽  
John Magee ◽  
Gifford Miller ◽  
L. Keith Fifield
Keyword(s):  
Western Australia ◽  
Meteorite Crater

The unique meteorite crater at Dalgaranga, Western Australia

1960 ◽  
Vol 32 (251) ◽  
pp. 619-639 ◽  
Author(s):  
H. H. Nininger ◽  
Glenn I. Huss
Keyword(s):  
Western Australia ◽  
Meteorite Crater

SummaryThe first scientific examination of the Dalgaranga crater has revealed specimens exhibiting a variety of structures and compositions hitherto unknown in connexion with any meteorite crater. Excavations have yielded much-weathered specimens and permitted measurements of the form and depth of the original pit. The question of age is considered, and the impacting meteorite is thought to have been largely stony but at least in part a mesosiderite.

Stable isotope characteristics across narrow savanna/woodland ecotones in Wolfe Creek Meteorite Crater, Western Australia

Oecologia ◽  
2005 ◽  
Vol 145 (1) ◽  
pp. 100-112 ◽  
Author(s):  
Matthew J. Wooller ◽  
Beverly J. Johnson ◽  
Andrew Wilkie ◽  
Marilyn L. Fogel
Keyword(s):  
Stable Isotope ◽  
Western Australia ◽  
Savanna Woodland ◽  
Meteorite Crater

Wolf Creek Meteorite Crater, Western Australia

1950 ◽  
Vol 58 (1) ◽  
pp. 30-36 ◽  
Author(s):  
D. J. Guppy ◽  
R. S. Matheson
Keyword(s):  
Western Australia ◽  
Meteorite Crater

Persistence of giants: population dynamics of the limpet Scutellastra laticostata on rocky shores in Western Australia

2020 ◽  
Vol 646 ◽  
pp. 79-92
Author(s):  
RE Scheibling ◽  
R Black
Keyword(s):  
Population Dynamics ◽  
Western Australia ◽  
Size Structure ◽  
Survival Rates ◽  
Maximum Size ◽  
High Rate ◽  
Adult Survival ◽  
Rocky Shores ◽  
Adult Size ◽  
Decadal Time Scale

Population dynamics and life history traits of the ‘giant’ limpet Scutellastra laticostata on intertidal limestone platforms at Rottnest Island, Western Australia, were recorded by interannual (January/February) monitoring of limpet density and size structure, and relocation of marked individuals, at 3 locations over periods of 13-16 yr between 1993 and 2020. Limpet densities ranged from 4 to 9 ind. m-2 on wave-swept seaward margins of platforms at 2 locations and on a rocky notch at the landward margin of the platform at a third. Juvenile recruits (25-55 mm shell length) were present each year, usually at low densities (<1 m-2), but localized pulses of recruitment occurred in some years. Annual survival rates of marked limpets varied among sites and cohorts, ranging from 0.42 yr-1 at the notch to 0.79 and 0.87 yr-1 on the platforms. A mass mortality of limpets on the platforms occurred in 2003, likely mediated by thermal stress during daytime low tides, coincident with high air temperatures and calm seas. Juveniles grew rapidly to adult size within 2 yr. Asymptotic size (L∞, von Bertalanffy growth model) ranged from 89 to 97 mm, and maximum size from 100 to 113 mm, on platforms. Growth rate and maximum size were lower on the notch. Our empirical observations and simulation models suggest that these populations are relatively stable on a decadal time scale. The frequency and magnitude of recruitment pulses and high rate of adult survival provide considerable inertia, enabling persistence of these populations in the face of sporadic climatic extremes.

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