Description

A data frame of average major and minor element compositions for igneous plutonic rocks published by Nockolds (1954).

Usage

Format

A data frame with 16 average igneous plutonic rock compositions for 12 parts:

Row_ID

four character abbreviation for lithology.

Si

silicon (cation %).

Al

aluminium (cation%).

Fe3

ferric iron (cation %).

Fe2

ferrous iron (cation %).

Mg

magnesium (cation %).

Ca

calcium (cation %).

Na

sodium (cation %).

K

potassium (cation %).

Ti

titanium (cation %).

Mn

manganese (cation %).

P

phosphorus (cation %).

OH

hydroxyl (anion %).

Row_ID abbreviations for igneous plutonic rocks:

ALKG

Alkali granite

GRNT

Granite

QZMZ

Quartz monzonite

GRDR

Granodiorite

QRZD

Quartz diorite

ALKS

Alkali syenite

SENT

Syenite

MNZN

Monzonite

MZDT

Monzodiorite

DORT

Diorite

GBBR

Gabbro

PRDT

Peridotite

ANRS

Anorthosite

NPLS

Nepheline Syenite

ESXT

Essexite

IJLT

Ijolite

Source

Nockolds, S.R., 1954. Average chemical compositions of some igneous rocks. Geological Society of Americe, Bulletin 65, pp. 1007-1032.

References

Garrett, R.G., Reimann, C., Hron, K., Kynclova, P. and Filzmoser, P., 2017. Finally, a correlation coefficient that tells the geochemical truth. Explore - Assoc. Applied Geochemists Newsletter, 176:1-15.