altered rockaltered soilalternatealternate depthalternate foldingalternative medicinealternative sievealternator brakealthausitealthupitealtimeteraltimetric frequency cualtiplanataltiplano or altilanicie or altilaniciealtiplantion terrcealtisitealtithermalaltitudealtitude matrixaltitude valvealtocumulusaltocumulus castellatusaltostratusalum coalalum or double sulfate or double sulfatealum rockalum schistalum shalealum slatealum stonealuminite or websterite or websteritealuminiumalumino or magnesiohulsitealumino silicic acidaluminobarroisitealuminoceladonite or leucophyllite or leucophyllitealuminocopiapitealuminoferrobarroisitealuminoferrotschermakitealuminomagnesiotaramitealuminosilicatealuminousalumofrostalumogelalumohydrocalcitealumoklyuchevskitealumopharmacosideritealumosiliceous acidalumotantitealumotungstite
