Chemical and Physical Characteristics in Uncultivated Soils with Different Lithology in Semiarid Mediterranean Clima

Table 1

Mineralogical quantitative analysis mean values for <63 μm and <2 μm fractions.

	<63 μm (%)						<2 μm (%)
	O	La	U	Ka	Kb	PL	O	La	U	Ka	Kb	PL
Calcite	0.3	—	—	—	—	64.3	—	—	—	—	—	33.3
Dolomite	—	—	2.9	—	—	1.9	—	—	—	—	—	—
Quartz	67	58.2	9.7	27.4	22.7	13.2	4.5	4.4	2.2	3.1	—	5.3
Feldspars	—	13.7	—	3.7	5.8	5	—	—	—	8.6	—	—
Illite	12.1	17.6	1.3	33.3	33.2	15.5	55.8	60.8	2.8	23	71.6	43.5
Kaolinite	20.6	3.2	—	26.5	26.8	—	39.7	18.9	—	63	14.8	—
Paragonite	—	—	7.4	9.1	11.5	—	—	—	—	2.3	13.7	—
Chlorite	—	7.4	21.2	—	—	—	—	15.9	46.4	—	—	6.5
Antigorite	—	—	49.2	—	—	—	—	—	33.7	—	—	—
Talc	—	—	8.3	—	—	—	—	—	—	—	—	—
Smectite	—	—	—	—	—	—	—	—	14.8	—	—	11.4

—: not determined.