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QAPF diagram

A QAPF diagram is a doubled-triangle plot diagram used to classify igneous rocks based on their mineralogy. The acronym QAPF stands for "quartz, alkali feldspar, plagioclase, feldspathoid (foid)", which are the four mineral groups used for classification in a QAPF diagram. The percentages (ratios) of the Q, A, P and F groups are normalized, i.e.…

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Overview

Origin

Usage

Reading the QAPF diagram

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Map overview Semantic statistics

QAPF diagram

Nodes35
Edges34
Triples28
Avg. degree1.94
Density0.057143
Components1

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QAPF diagram

Top relations

related to Origin · 10
QAPF diagram → Albert Streckeisen, Geological Sciences, Geologists, Igneous Rocks, International Union, IUGS, QAPF, Streckeisen, Subcommission, Systematics
related to Reading the QAPF diagram · 7
QAPF diagram → Because, FAP, Other, QAP, QAPF, The QAPF, These
related to Usage · 7
QAPF diagram → However, Instead, QAPF, Streckeisen, TAS, The TAS, Total-Alkali-Silica
is a · 1
QAPF diagram → doubled-triangle plot diagram used to classify igneous rocks based on their mineralogy

Important terminology Word statistics

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Important terminology

qapf diagram rocks classification used groups quartz rock igneous diagrams plutonic minerals streckeisen alkali 100 plagioclase mineral volcanic determined example

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
QAPF diagramis adoubled-triangle plot diagram used to classify igneous rocks based on their mineralogy0.90text
olivineinstance ofbut of different bulk chemical compositions with respect to other minerals0.80text
pyroxenesinstance ofbut of different bulk chemical compositions with respect to other minerals0.80text
amphiboles or micasinstance ofbut of different bulk chemical compositions with respect to other minerals0.80text
QAPF diagramrelated to OriginQAPF0.60section
QAPF diagramrelated to OriginInternational Union0.60section
QAPF diagramrelated to OriginGeological Sciences0.60section
QAPF diagramrelated to OriginIUGS0.60section
QAPF diagramrelated to OriginSubcommission0.60section
QAPF diagramrelated to OriginSystematics0.60section
QAPF diagramrelated to OriginIgneous Rocks0.60section
QAPF diagramrelated to OriginAlbert Streckeisen0.60section

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