Bi(Fe,Al)3(PO4)2(OH)6. It is a member of the crandallite group and is the Fe+3-analogue of waylandite. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    A mineral: Na4Mn+25Si10O24(OH)6 .6H2O or Na3Mn+25Si 10O24(OH)5.6H2O. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    European stage: Middle Pliocene (above Messinian, below Plaisancian). Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    A Puerto Rican term for a solution corridor. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    A glacial cirque (von Engeln, 1942, p. 447 Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    An informal syn. of micrometeorite crater. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    A tetragonal mineral: Cu3Al4(PO4)3(OH)9. .4H2O. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    A solitary coral with marked pinnate septal arrangement, lacking dissepiments or axial structures. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    ) An emerald-green mineral: Ni3(CO3)(OH)4.4H2O. It occurs in secondary incrustations or compact masses. Syn: emerald nickel. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.

    sastrugi. Reference: Bates, R.L. & J.A.Jackson, 1980, GLOSSARY OF GEOLOGY, Second Edition, American Geology Institute.