Beskrivning av och relationer mellan Karlshamnsgraniten och leukograniten i Blekinge
(1984) In Examensarbeten i geologi vid Lunds universitetDepartment of Geology
- Abstract
- The Karlshamn-granite is a greyish red to reddish grey mediumgrained
rock with considerable amounts of potash feldspar megacrysts.
It covers large areas of Blekinge and northeastern Scania. The granite
appears as post-orogenic intrusive granitoid plutonics of very varying size and is considered to belong to the youngest granitoids in
this area.
The matrix mineralogy has been studied and the main minerals are
quartz, potash feldspar, plagioclase and biotite. As accessory minerals
mainly amphibole, sphene, epidote, apatite and opaque minerals are found.
This paper is a compilation of modern chemical analysis on Karlshamngranite
from various sources, recalculated norms on a common basis,
matrix mineralogy investigations and... (More) - The Karlshamn-granite is a greyish red to reddish grey mediumgrained
rock with considerable amounts of potash feldspar megacrysts.
It covers large areas of Blekinge and northeastern Scania. The granite
appears as post-orogenic intrusive granitoid plutonics of very varying size and is considered to belong to the youngest granitoids in
this area.
The matrix mineralogy has been studied and the main minerals are
quartz, potash feldspar, plagioclase and biotite. As accessory minerals
mainly amphibole, sphene, epidote, apatite and opaque minerals are found.
This paper is a compilation of modern chemical analysis on Karlshamngranite
from various sources, recalculated norms on a common basis,
matrix mineralogy investigations and statistical calculations. The
results are presented in various diagrams and tables.
In the town of Ronneby the leucogranite is found as a red mediumgrained
rocktype, at some places with a well developed structure pronounced
by elongated quartz and feldspar grains. It crops out as smaller
bodies from dm-large patches to 7-800 m large massives with sharp intrusive
margins to the neighbouring Karlshamn granite. It consists to more
than 95% of quartz, plagioclase and potassium feldspar and carries as
accessorial minerals mainly biotite, opaque minerals and sphene.
Chemical analysis has been done and the results are, together with
the Karlshamn granite analysis, shown in different diagrams. In these
diagrams, trends can be seen which can be interpreted as differentiation
trends. If the leucogranite is an anatectic granite formed by partial
melting of the Karlshamn granite or the end of a differentiating
Karlshamn granite magma has been considered but this investigation has
not led to a definit conclusion. (Less)
Please use this url to cite or link to this publication:
http://lup.lub.lu.se/student-papers/record/2371268
- author
- Claeson, Dick and Nilsson, Magnus
- supervisor
- organization
- year
- 1984
- type
- H1 - Master's Degree (One Year)
- subject
- keywords
- geografi, geologi, Karlshamnsgranit, leukogranit, Blekinge
- publication/series
- Examensarbeten i geologi vid Lunds universitet
- report number
- 1
- language
- Swedish
- additional info
- Torbjörn Widmark, Lunds universitet.
- id
- 2371268
- date added to LUP
- 2012-05-21 10:24:33
- date last changed
- 2012-05-21 10:24:33
@misc{2371268, abstract = {{The Karlshamn-granite is a greyish red to reddish grey mediumgrained rock with considerable amounts of potash feldspar megacrysts. It covers large areas of Blekinge and northeastern Scania. The granite appears as post-orogenic intrusive granitoid plutonics of very varying size and is considered to belong to the youngest granitoids in this area. The matrix mineralogy has been studied and the main minerals are quartz, potash feldspar, plagioclase and biotite. As accessory minerals mainly amphibole, sphene, epidote, apatite and opaque minerals are found. This paper is a compilation of modern chemical analysis on Karlshamngranite from various sources, recalculated norms on a common basis, matrix mineralogy investigations and statistical calculations. The results are presented in various diagrams and tables. In the town of Ronneby the leucogranite is found as a red mediumgrained rocktype, at some places with a well developed structure pronounced by elongated quartz and feldspar grains. It crops out as smaller bodies from dm-large patches to 7-800 m large massives with sharp intrusive margins to the neighbouring Karlshamn granite. It consists to more than 95% of quartz, plagioclase and potassium feldspar and carries as accessorial minerals mainly biotite, opaque minerals and sphene. Chemical analysis has been done and the results are, together with the Karlshamn granite analysis, shown in different diagrams. In these diagrams, trends can be seen which can be interpreted as differentiation trends. If the leucogranite is an anatectic granite formed by partial melting of the Karlshamn granite or the end of a differentiating Karlshamn granite magma has been considered but this investigation has not led to a definit conclusion.}}, author = {{Claeson, Dick and Nilsson, Magnus}}, language = {{swe}}, note = {{Student Paper}}, series = {{Examensarbeten i geologi vid Lunds universitet}}, title = {{Beskrivning av och relationer mellan Karlshamnsgraniten och leukograniten i Blekinge}}, year = {{1984}}, }