Colour

Structure

Granularity

Texture

Alterations

Petrographic characteristics

Usage

Literature Finch, R.H., 1926: The April 10, 1926 outbreak of Mauna Loa: Volcano Letter, no. 68. Le Bas, M.J., Le Maitre, R.W., Streckeisen, A. & Zanettin, B., 1986: A Chemical Classification of Volcanic Rocks Based on the Total Alkali-Silica Diagram. Journal of Petrology, 27, 3, 745 – 750. Le Bas, M.J, Le Maitre, R.W, Woolley, A.R. 1992: The construction of the total alkali–silica chemical classification of volcanic rocks. Mineralogy and Petrology, 46, 1–22. Lipman, P.W., 1980: Rates of volcanic activity along the southwest rift zone of Mauna Loa Volcano, Hawaii. Bulletin Volcanology, 43, 703-725. Lockwood, J.P. & Lipman, P.W., 1987: Holocene eruptive history of Mauna Loa volcano. U.S. Geological Survey Porfessional Paper 1350, Chapter 18, 509-535. Rhodes, J.M., 1983: Homogeneity of lava flows: Chemical data for historic Mauna Loan eruptions. Proceedings of the Thirteenth Lunar and Planetary Science Conference, Part 2, Journal of Geophysical Research, 85, Supplement, A869-A879. Shepherd, E.S., 1938: The gases in rocks and some related problems. Am. J. Sci., 5th Ser. 35A, 311-351. Stille, P., Unruh, D.M. & Tatsumo, M., 1986: Pb, Sr, Nd and Hf isotopic constraints on the origin of Hawaiian basalts and evidence for a unique mantle source. Geochimica et Cosmochimica Acta, 50, 2303-2319. Streckeisen, A., 1978: IUGS Subcommision on the Systematics of Igneous Rocks. Classification and nomenclature of volcanic rocks, lamprophyres, carbonatites and melilite rocks. Recommendatiins and suggestions. Neues Jahrbuch für Mineralogie. Stuttgard. Abhandlungen, 143, 1-14. Weiss, D., Garcia, M.O., Rhodes, J.M., Jellinek, M. & Scoates, J.S., 2011: Role of the deep mantle in generating the compositional asymmetry of the Hawaiian mantle plume. Nature Geoscience, 4, 831-838. Wright, T.L, 1971: Chemistry of Kilauea and Mauna Loa lava in space and time. U.S. Geological Survey Professional Paper, 735, 1-40.

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SiO₂
51.60TiO₂
2.07Al₂O₃
13.50FeO
10.85MnO
0.17MgO
7.39CaO
10.49Na₂O
2.19K₂O
0.37P₂O₅
0.23Total
98.86Mg(Mg/Fe²⁺)
0.55A/CNK
0.59A/NK
3.37

-

SiO₂
52.04TiO₂
2.22Al₂O₃
14.11Fe₂O₃
1.34FeO
9.85MnO
0.17MgO
6.68CaO
10.35Na₂O
2.36K₂O
0.42P₂O₅
0.23H₂O⁺
0.05H₂O^-
0.02CO₂
0.01F
0.03Cl
0.01Total
99.89Mg(Mg/Fe²⁺)
0.55A/CNK
0.61A/NK
3.25

-

SiO₂
51.34TiO₂
2.22Al₂O₃
12.94Fe₂O₃
3.48FeO
8.42MnO
0.15MgO
7.88CaO
10.36Na₂O
2.24K₂O
0.37P₂O₅
0.26SO₃
0.22Cl
0.01Total
100.20Mg(Mg/Fe²⁺)
0.63A/CNK
0.56A/NK
3.17

Shepherd, 1938.