scholarly journals The Carboniferous Limestone Series of West Cumberland

1922 ◽  
Vol 59 (2) ◽  
pp. 74-83 ◽  
Author(s):  
Charles Edmonds
Keyword(s):  
Great Accuracy ◽  
Lake District ◽  
Lower Carboniferous ◽  
Mining Town ◽  
Eastern Margin ◽  
South Eastern ◽  
Complete Section ◽  
Single Instance ◽  
Carboniferous Limestone ◽  
Western Portion

The area under consideration extends from the mining town ot Egremont to Scalesmoor Farm in the parish of Lamplugh in West Cumberland, and comprises a tract of country 9 miles in length and rather less than 3 miles in width, running from S.S.W. to N.N.E. It forms the south-eastern margin of the Whitehaven Coalfield, and is the western portion of the “collar” of Lower Carboniferous rocks almost surrounding the older Palæozoic rocks of which the Lake District proper is composed. The area consists in the main of fahly continuous outcrops, but is much disturbed by faulting. In the unravelling of the tectonics of the district, however, the difficulty caused by excessive faulting is counterbalanced by the multiplicity of the borings that have been made during the exploration and development of the valuable haematite deposits associated with the limestones. In no single instance is there an exposure giving a complete section of the sequence, yet with the help of the journals of the “bores” every one of the exposures mentioned in this paper can be placed at its exact horizon with great accuracy.

THE GEOLOGY OF THE BONAPARTE GULF BASIN

1966 ◽  
Vol 6 (1) ◽  
pp. 7
Author(s):  
T. J. Brady ◽  
W. Jauncey ◽  
C. Stein
Keyword(s):  
Upper Devonian ◽  
The South ◽  
Continuous Section ◽  
Lower Carboniferous ◽  
North West ◽  
Eastern Margin ◽  
South Eastern ◽  
North East ◽  
The North ◽  
Lower Ordovician

An estimated total of over 20,000 feet of Palaeozoic sediments accumulated in the Bonaparte Gulf Basin. The thickest known continuous section is that in Bonaparte No. 1 Well, abandoned at 10,530 feet in Upper Devonian sandstone and shale. Rocks of the Basin margins are mainly sandstones and limestones (in part reef), whereas a thick shale section has been discovered in the deeper parts. Data from recent seismic surveys indicate that the seaward extension of the Basin is considerable and that a thick pile of sediments is preserved there.The Bonaparte Gulf Basin formed as a result of subsidence of the north-eastern part of the Kimberley Block along fault lines associated with the Halls Creek Mobile Zone. This zone borders the south-eastern margin of the Basin and trends north-east. One basement block, represented by the presentday Pincombe Range, remained relatively high. The Bonaparte Gulf Basin can be divided into two subsidiary basins, the Carlton Basin to the west and north-west and the Burt Range Basin in the east and south-east. The Pincombe Range separates the two.Marine sediments were deposited in the Carlton Basin during the Middle and Upper Cambrian, Lower Ordovician, Upper Devonian and Lower Carboniferous epochs. Angular unconformities have been mapped between the Lower Ordovician and Upper Devonian rocks, and between Upper Devonian and Lower Carboniferous rocks. In the Burt Range Basin, deposition began in the Upper Devonian and continued with minor breaks through the Lower Carboniferous. Faults along the south-eastern margin were active through this period and affected the character of the sediments.Permian sediments are widely distributed and lie with unconformity on older units.

The Požarevac loess–paleosol sequence: a record of increased aridity in the south‐eastern margin of the Carpathian Basin during the last 350 ka

2021 ◽  
Author(s):  
Slobodan B. Marković ◽  
Eric A. Oches ◽  
Zoran M. Perić ◽  
Tivadar Gaudenyi ◽  
Mlađen Jovanović ◽  
...  
Keyword(s):  
Carpathian Basin ◽  
The South ◽  
Eastern Margin ◽  
South Eastern

V.—On the Shell-Structure of Chonetes Laguessiana, De Kon

1883 ◽  
Vol 10 (8) ◽  
pp. 368-371
Author(s):  
John Young
Keyword(s):  
Shell Structure ◽  
The Other ◽  
Lower Carboniferous ◽  
Carboniferous Limestone

The specimens selected for illustration of the shell-structure of this species of Chonetes were found in a bed of shale in the Lower Carboniferous Limestone series at Capelrig old quarry, in the parish of East Kilbride, Lanarkshire. The fossils in this shale have their structure generally well preserved, there being less change, through crystallization of the lime present in the shells of the various organisms, than is found in those obtained from most of the other fossiliferous localities in Western Scotland.

3D Seismic Geomorphological Analysis of Potential Pre-Salt Hydrocarbon Reservoirs in South-Eastern Margin of Precaspian Basin (Russian)

2018 ◽  
Author(s):  
Bazar Atashevich Eskozha ◽  
Marat Utegenovich Aimagambetov ◽  
Marina Petrovna Brichikova ◽  
Dana Serikovna Shaikhina
Keyword(s):  
Hydrocarbon Reservoirs ◽  
3D Seismic ◽  
Eastern Margin ◽  
South Eastern ◽  
Geomorphological Analysis

The composition and paragenesis of the hornblendes of the Glen Tilt complex, Perthshire

1938 ◽  
Vol 25 (161) ◽  
pp. 56-74 ◽  
Author(s):  
W. A. Deer
Keyword(s):  
Chemical Investigation ◽  
Optical Investigation ◽  
The South ◽  
Eastern Margin ◽  
South Eastern ◽  
Single Complex

The south-eastern margin of the Glen Tilt complex consists of a long strip of diorites with a number of small associated patches of rocks of appinitic type. Xenoliths, both of hornblendite and hornblendeschist, the latter belonging to the Perthshire series of the Dalradian, are found enclosed within the dioritic rocks, which range petrographically from diorite to quartz-mica-diorite. In all these rocks hornblende is the most important fcrromagnesian constituent always predominating over pyroxene in the basic members and frequently persisting to the exclusion of biotite in the intermediate rocks of the intrusion. The hornblendes were examined chemically because of the difficulty of estimating their composition even from a thorough optical investigation. As they play such an important role in the complex it is considered that they may give some indication of the history and mode of formation of the rocks in which they occur. Such a chemical investigation of a series of related hornblendes will also indicate the possible range of composition of common amphiboles within the diorites and related rocks of a single complex.

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