Rock Classification Scheme (BGS).pdf - The Water, Sanitation and ...

More documents

Recommendations

Info

level 5 level 6 level 7MODAL CLASSIFICATIONCHEMICAL CLASSIFICATIONcalcite-carbonatitecalciocarbonatiteCARBONATITESdolomite-carbonatiteferroan-carbonatitemagnesiocarbonatiteferrocarbonatitenatrocarbonatiteFigure 25 Hierarchical classification of carbonatites.20CaOcalciocarbonatite20Figure 26 Chemical classification ofcarbonatites using wt % oxides (Woolley<strong>and</strong> Kempe, 1989).MgO50FeO + Fe 2 O 3 + MnO46
level 5 level 6 level 7COARSE-GRAINEDmelilitolitepyroxene-melilitoliteolivine-melilitolitepyroxene-olivine-melilitoliteolivine-pyroxene-melilitoliteFINE-GRAINEDmelilititeMELILITICROCKSolivine-melilititeultramaficmelilitic-rocknon-ultramaficmelilitic-rockFigure 27 Hierarchical classification of melilitic rocks.47
Page 1 and 2: BRITISH GEOLOGICAL SURVEYRESEARCH R
Page 3 and 4: Contents1 Introduction1.1 Principle
Page 5 and 6: 1 INTRODUCTIONThe use of computers
Page 7 and 8: tion of these rocks (Figure 2b), ha
Page 9 and 10: vi The use of 0.032 mm as an import
Page 11 and 12: to 75% are angular, in a block-bomb
Page 13 and 14: Field 3Field 4Field 5Fields 6Field
Page 15 and 16: (ii) If an accurate mineral mode ca
Page 17 and 18: Field S1 Rocks with the root name t
Page 19 and 20: esulting from the presence of macro
Page 21 and 22: still be a granite in the sense of
Page 23 and 24: increasing abundance. This usage in
Page 25 and 26: REFERENCESBELLIENI, G, VISENTIN, E
Page 27 and 28: kersantite lamp 31kimberlitekimbkom
Page 29 and 30: level 1 level 2 level 3 level 4Grou
Page 31 and 32: PhiunitsClast orcrystalsize in mm.L
Page 33 and 34: Figure 5 Classification andnomencla
Page 35 and 36: level 5 level 6 level 7HIERARCHICAL
Page 37 and 38: QquartzoliteLevel 790 90alkali-feld
Page 39 and 40: level 7 level 8HIERARCHICAL LEVELga
Page 41 and 42: Level 8duniteOI90 904040peridotitep
Page 43 and 44: level 5 level 6level 7level 8level
Page 45 and 46: QLevel 890906060alkali-feldspar-rhy
Page 47: 4 Na 2 O + K 2 O wt %3foidite (TAS)
Page 51 and 52: 'Old name' phl cpx leu kal melolgls
Page 53 and 54: Q = 60 - 20 Q = 20 - 5P'0-10 10-65

Rock Classification Scheme (BGS).pdf - The Water, Sanitation and ...

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?