MIDDLE EOCENE PALYNOFLORAS FROM THE ONE TREE HILL AREA, ST-VINCENT BASIN, SOUTH-AUSTRALIA

被引:14
作者
ALLEY, NF
BROADBRIDGE, LM
机构
[1] Department of Mines and Energy, SA, 5063
来源
ALCHERINGA | 1992年 / 16卷 / 3-4期
关键词
NORTH MASLIN SANDS; ST VINCENT BASIN; SOUTH-AUSTRALIA; BIOSTRATIGRAPHY; MIDDLE EOCENE; LOWER NOTHOFAGIDITES-ASPERUS ZONE; PROTEACIDITES-PACHYPOLUS ZONE; PALYNOFLORAS; CORRELATION;
D O I
10.1080/03115519208619121
中图分类号
Q91 [古生物学];
学科分类号
0709 ; 070903 ;
摘要
Palynofloras from an outlier of Tertiary sediments in the One Tree Hill ama north of Adelaide am nonmarine and correlate with similar assemblages from Middle Eocene North Maslin Sands from Maslin Bay and Golden Grove. Although there are similarities with time-equivalent Lower Nothofagidites asperus Zone palynofloras in the Gippsland Basin, a number of species in the South Australian palynofloras do not extend below the Late Eocene in the Gippsland sequences. This indicates earlier appearances for these species in southcentral Australia. The sediments overlie a highly weathered bedrock palaeosurface, indicating that a phase of significant weathering occurred prior to the Middle Eocene. A number of selected taxa are illustrated and their distribution in the palynofloras is discussed. Two new species, Proteacidites mildenhallii and Proteacidites parrawirrensis, are described and one species, Rhoipites byfieldensis, is emended.
引用
收藏
页码:241 / 267
页数:27
相关论文
共 79 条
[1]  
ALLEY NF, UNPUB PALYNOSTRATIGR
[2]  
ALLEY NF, 1989, 8954 S AUSTR DEP MIN
[3]  
ALLEY NF, 1987, ROYAL SOC S AUSTR T, V111, P211
[4]  
ALLEY NF, UNPUB PALYNOLOGY EAR
[5]  
Berggren W.A., 1985, GEOL SOC LONDON MEM, V10, P141, DOI DOI 10.1144/GSL.MEM.1985.010.01.15
[6]  
CAMPANA B, 1955, 4 GEOL SURV S AUSTR
[7]   Tertiary megafossil flora of Maslin Bay, South Australia: a preliminary report [J].
Christophel, Dave C. ;
Blackburn, David T. .
ALCHERINGA, 1978, 2 (04) :311-319
[8]  
CHRISTOPHEL DC, 1987, ROYAL SOC S AUSTR T, V111, P155
[9]  
Cookson I.C., 1947, BRIT NZ ANTARCTIC A, V2, P129
[10]   FOSSIL POLLEN GRAINS OF PROTEACEOUS TYPE FROM TERTIARY DEPOSITS IN AUSTRALIA [J].
COOKSON, IC .
AUSTRALIAN JOURNAL OF SCIENTIFIC RESEARCH SERIES B-BIOLOGICAL SCIENCES, 1950, 3 (02) :166-177