Spanish Bentonites: A Review and New Data on Their Geology, Mineralogy, and Crystal Chemistry
Abstract
:1. Introduction
2. Materials and Methods
3. Geological Features
3.1. The Tajo Basin
3.2. Tamame de Sayago
3.3. Cabo de Gata Volcanic Region
4. Mineralogy and Chemistry of Bentonites
5. Smectite Crystal Chemistry
Supplementary Materials
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
References
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Location | Quarry | Label | Impurities | Geological Origin | |
---|---|---|---|---|---|
Tajo Basin | Esquivias | Green clays | ESB 2 | Ilt, (Kln, Qz) Fsp * | Sedimentary |
ESB 3 | Ilt, (Kln, Qz) Fsp * | ||||
ESB 6 | Ilt, Qz (Kln, Fsp) | ||||
Pink clays | PB 10 | (Ilt) | |||
PB 11 | (Ilt, Qz) | ||||
RESQ | Qz * | ||||
ESB 45 | (Qz, Ilt) | ||||
Magán Hill | Pink clays | MCM | (Qz, Pl) | ||
ROS | Qz *, Pl * | ||||
Green C. | VER | Ilt, Qz (Kln, Fsp) | |||
Cabo de Gata | Cortijo de Archidona | CAR 1 | (Pl) | Hydrothermal alteration of volcanic rocks | |
CAR 2 | (Pl) Qz * | ||||
CAR 3 | Pl | ||||
Los Trancos | LT BB | (Pl) | |||
LTBV | (Pl) Qz * | ||||
LTBN | (Pl) | ||||
Morrón de Mateo | MM | Mor, Cpt, (Pl) | |||
Tamame de Sayago | Roderica | RodF17 | (Kln) | Hydrothermal alteration of kaolinitized granite | |
Navalacruz | NAV 5 | Kln, Qz, (Ms, Fsp) | |||
NAV 6 | Qz, (Ms) | ||||
Carboneras | CarbF11 | Qz, (Ms, Fsp) |
SiO2 | Al2O3 | Fe2O3 | FeO | MnO | MgO | CaO | Na2O | K2O | TiO2 | P2O5 | LOI | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
ESB 2 | 48.55 | 11.52 | 3.70 | 0.40 | 0.04 | 15.90 | 0.67 | 0.27 | 2.02 | 0.52 | 0.11 | 15.96 |
ESB 3 | 50.80 | 12.76 | 3.49 | 0.90 | 0.04 | 14.58 | 0.53 | 0.40 | 2.22 | 0.60 | 0.08 | 14.09 |
ESB 6 | 50.75 | 14.01 | 3.88 | 0.90 | 0.03 | 10.40 | 0.77 | 0.48 | 2.91 | 0.48 | 0.20 | 14.56 |
ESB 45 | 51.62 | 5.15 | 1.51 | 0.25 | 0.02 | 23.07 | 0.68 | 0.16 | 0.90 | 0.24 | 0.08 | 16.67 |
MCM | 52.08 | 6.21 | 1.79 | <0.1 | 0.03 | 20.41 | 0.56 | 0.39 | 1.54 | 0.22 | 0.04 | 15.49 |
VER | 48.85 | 6.64 | 2.33 | 0.17 | 0.03 | 20.96 | 0.68 | 0.22 | 1.24 | 0.31 | 0.11 | 17.52 |
ROS | 52.15 | 2.11 | 0.71 | <0.01 | 0.01 | 25.39 | 2.63 | 0.05 | 0.40 | 0.11 | 0.05 | 17.03 |
RESQ | 48.56 | 1.61 | 0.71 | <0.01 | 0.02 | 24.52 | 2.76 | 0.03 | 0.33 | 0.08 | 0.04 | 21.66 |
NAV 5 | 57.79 | 19.88 | 1.53 | 0.00 | 0.00 | 2.03 | 1.52 | 0.18 | 0.93 | 0.21 | 0.37 | 15.20 |
NAV 6 | 60.58 | 16.21 | 1.77 | 0.00 | 0.00 | 3.02 | 1.96 | 0.13 | 0.79 | 0.29 | 0.16 | 14.63 |
RodF17 | 52.37 | 19.51 | 2.10 | 0.00 | 0.00 | 3.87 | 1.88 | 0.11 | 0.49 | 0.09 | 0.18 | 20.17 |
CarbF11 | 57.49 | 17.01 | 2.49 | 0.00 | 0.01 | 3.10 | 1.61 | 0.11 | 1.29 | 0.40 | 0.10 | 17.38 |
CAR 1 | 51.42 | 16.92 | 2.52 | <0.1 | 0.09 | 4.71 | 1.31 | 0.94 | 0.55 | 0.17 | 0.02 | 19.93 |
CAR 2 | 51.99 | 16.83 | 3.26 | <0.1 | 0.02 | 4.31 | 1.10 | 1.17 | 0.44 | 0.16 | 0.03 | 19.27 |
CAR 3 | 50.73 | 17.30 | 2.46 | <0.1 | 0.04 | 4.72 | 1.30 | 0.98 | 0.35 | 0.15 | 0.03 | 20.36 |
LTBB | 52.12 | 17.75 | 2.41 | <0.1 | 0.11 | 4.56 | 1.29 | 0.51 | 0.14 | 0.20 | 0.03 | 20.77 |
LTBV | 51.25 | 17.01 | 2.31 | <0.1 | 0.08 | 4.78 | 1.32 | 0.51 | 0.43 | 0.17 | 0.06 | 20.61 |
LTBN | 53.47 | 17.21 | 2.21 | <0.1 | 0.09 | 4.87 | 1.05 | 1.07 | 0.27 | 0.16 | 0.03 | 19.42 |
MM | 57.38 | 13.84 | 2.48 | 0.20 | 0.02 | 2.28 | 4.15 | 2.32 | 0.90 | 0.36 | 0.08 | 14.87 |
Mean of the Chemical Analyses | Tetrahedral Cations (TC) | Octahedral Cations (OC) | Interlayer Cations (IC) | ||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SiO2 | Al2O3 | Fe2O3 | TiO2 | MgO | CaO | NaO | K2O | Si | AlIV | Fe3+ | AlVI | Fe3+ | Mg | Ti | Ʃo | Ca | K | Na | TC | OC | IC | ||
ESB 2 | M | 60.62 | 7.82 | 4.44 | 26.19 | 0.48 | 0.46 | 7.43 | 0.57 | 0.56 | 0.41 | 4.78 | 5.75 | 0.02 | 0.07 | −0.57 | 0.47 | 0.11 | |||||
n: 18 | SD | 2.29 | 4.57 | 3.43 | 5.52 | 0.23 | 0.67 | ||||||||||||||||
ESB 3 | M | 63.23 | 8.19 | 3.59 | 23.86 | 0.52 | 0.04 | 0.56 | 7.66 | 0.34 | 0.83 | 0.33 | 4.31 | 5.47 | 0.07 | 0.09 | 0.01 | −0.34 | 0.10 | 0.24 | |||
n: 19 | SD | 1.94 | 3.27 | 4.59 | 5.14 | 0.16 | 0.38 | 0.36 | |||||||||||||||
ESB 6 | M | 61.91 | 12.27 | 2.71 | 20.89 | 0.84 | 0.10 | 1.28 | 7.50 | 0.50 | 1.25 | 0.25 | 3.77 | 5.27 | 0.11 | 0.20 | 0.02 | −0.49 | 0.04 | 0.44 | |||
n: 14 | SD | 2.38 | 4.25 | 1.11 | 3.89 | 0.70 | 0.12 | 0.91 | |||||||||||||||
ESB 45 | M | 66.16 | 5.51 | 1.19 | 26.32 | 0.39 | 0.36 | 7.94 | 0.06 | 0.72 | 0.11 | 4.71 | 5.54 | 0.05 | 0.06 | −0.06 | −0.09 | 0.16 | |||||
n: 36 | SD | 3.48 | 4.01 | 1.46 | 4.24 | 0.19 | 0.62 | ||||||||||||||||
MCM | M | 59.91 | 5.91 | 1.70 | 30.96 | 0.50 | 0.24 | 0.76 | 7.34 | 0.66 | 0.19 | 0.16 | 5.65 | 6.00 | 0.07 | 0.12 | 0.06 | −0.66 | 0.35 | 0.32 | |||
n: 19 | SD | 1.80 | 1.08 | 0.61 | 1.59 | 0.20 | 0.70 | 1.31 | |||||||||||||||
PB 10 | M | 61.30 | 6.02 | 2.85 | 0.08 | 28.17 | 1.02 | 0.55 | 7.46 | 0.54 | 0.32 | 0.26 | 5.21 | 0.01 | 5.80 | 0.13 | 0.09 | −0.54 | 0.16 | 0.35 | |||
n: 14 | SD | 2.93 | 3.50 | 1.99 | 0.18 | 3.50 | 0.40 | 0.74 | |||||||||||||||
PB 11 | M | 59.09 | 11.22 | 5.42 | 0.20 | 21.88 | 0.51 | 0.02 | 1.67 | 7.28 | 0.72 | 0.91 | 0.50 | 4.02 | 0.02 | 5.43 | 0.07 | 0.26 | −0.72 | 0.27 | 0.40 | ||
n: 19 | SD | 2.94 | 6.84 | 2.90 | 0.47 | 7.42 | 0.21 | 0.08 | 1.31 | ||||||||||||||
VER | M | 57.99 | 18.99 | 6.65 | 14.27 | 0.42 | 1.65 | 7.09 | 0.91 | 1.83 | 0.61 | 2.60 | 5.04 | 0.06 | 0.26 | −0.91 | 0.52 | 0.38 | |||||
n: 39 | SD | 3.64 | 8.14 | 3.95 | 8.82 | 0.64 | 1.37 | ||||||||||||||||
ROS | M | 65.83 | 1.50 | 0.57 | 31.55 | 0.44 | 0.11 | 7.93 | 0.07 | 0.14 | 0.05 | 5.67 | 5.86 | 0.06 | 0.02 | −0.07 | −0.09 | 0.14 | |||||
n: 50 | SD | 1.62 | 1.24 | 0.63 | 2.40 | 0.27 | 0.22 | ||||||||||||||||
RESQ | M | 63.90 | 1.30 | 0.40 | 34.03 | 0.23 | 0.02 | 0.12 | 7.74 | 0.19 | 0.04 | 6.14 | 6.14 | 0.03 | 0.02 | −0.35 | 0.28 | 0.08 | |||||
n: 76 | SD | 1.45 | 1.66 | 0.21 | 1.74 | 0.39 | 0.15 | 0.48 | |||||||||||||||
NAV 5 | M | 60.32 | 31.50 | 2.97 | 2.80 | 1.31 | 1.09 | 7.14 | 0.86 | 3.53 | 0.26 | 0.49 | 4.28 | 0.17 | 0.16 | −0.86 | 0.35 | 0.50 | |||||
n: 11 | SD | 3.42 | 4.41 | 1.86 | 1.05 | 0.43 | 0.59 | ||||||||||||||||
NAV 6 | M | 65.15 | 26.32 | 1.12 | 4.72 | 2.50 | 0.17 | 7.63 | 0.37 | 3.26 | 0.10 | 0.82 | 4.18 | 0.31 | 0.03 | −0.37 | −0.28 | 0.65 | |||||
n: 29 | SD | 1.92 | 1.75 | 0.64 | 0.93 | 0.90 | 0.22 | ||||||||||||||||
RodF17 | M | 64.35 | 23.88 | 2.85 | 5.14 | 2.76 | 1.02 | 7.64 | 0.36 | 2.98 | 0.25 | 0.91 | 4.14 | 0.35 | 0.15 | −0.36 | −0.49 | 0.85 | |||||
n: 14 | SD | 3.19 | 3.94 | 1.46 | 1.15 | 1.92 | 0.82 | ||||||||||||||||
CarbF11 | M | 65.92 | 21.30 | 4.32 | 5.18 | 2.42 | 0.87 | 7.83 | 0.17 | 2.81 | 0.39 | 0.92 | 4.12 | 0.31 | 0.13 | −0.17 | −0.56 | 0.75 | |||||
n: 19 | SD | 2.46 | 1.85 | 1.81 | 0.90 | 0.61 | 0.61 | ||||||||||||||||
CAR 1 | M | 65.58 | 22.45 | 3.83 | 6.38 | 1.02 | 0.26 | 0.48 | 7.74 | 0.26 | 2.86 | 0.34 | 1.12 | 4.32 | 0.13 | 0.07 | 0.06 | −0.26 | −0.15 | 0.39 | |||
n: 42 | SD | 1.25 | 1.16 | 1.68 | 0.93 | 0.30 | 0.38 | 0.40 | |||||||||||||||
CAR 2 | M | 67.89 | 19.97 | 5.26 | 5.53 | 0.87 | 0.55 | 8.01 | 2.78 | 0.47 | 0.97 | 4.22 | 0.11 | 0.08 | 0.04 | −0.32 | 0.30 | ||||||
n: 27 | SD | 0.92 | 1.82 | 2.27 | 0.49 | 0.21 | 0.53 | ||||||||||||||||
CAR 3 | M | 65.48 | 21.02 | 4.39 | 6.95 | 1.39 | 0.44 | 0.33 | 7.76 | 0.24 | 2.70 | 0.39 | 1.23 | 4.32 | 0.18 | 0.05 | 0.10 | −0.24 | −0.27 | 0.51 | |||
n: 27 | SD | 1.05 | 0.74 | 1.41 | 0.37 | 0.24 | 0.33 | 0.14 | |||||||||||||||
LTBB | M | 65.74 | 25.68 | 2.36 | 4.88 | 1.17 | 0.09 | 0.08 | 7.68 | 0.32 | 3.22 | 0.21 | 0.85 | 4.28 | 0.15 | 0.01 | 0.02 | −0.32 | −0.02 | 0.33 | |||
n: 28 | SD | 2.48 | 2.95 | 1.19 | 1.19 | 0.96 | 1.21 | 0.21 | |||||||||||||||
LTBV | M | 66.42 | 22.24 | 2.28 | 6.87 | 1.66 | 0.04 | 0.48 | 7.81 | 0.19 | 2.89 | 0.20 | 1.20 | 4.29 | 0.21 | 0.07 | 0.01 | −0.19 | −0.33 | 0.50 | |||
n: 19 | SD | 1.81 | 2.55 | 1.62 | 1.81 | 0.35 | 0.23 | 0.88 | |||||||||||||||
LTBN | M | 65.60 | 21.59 | 4.79 | 7.06 | 0.74 | 0.09 | 0.14 | 7.75 | 0.25 | 2.76 | 0.43 | 1.24 | 4.43 | 0.09 | 0.02 | 0.02 | −0.25 | 0.05 | 0.22 | |||
n: 26 | SD | 2.73 | 1.65 | 4.46 | 0.98 | 0.20 | 0.17 | 0.09 | |||||||||||||||
MM | M | 65.04 | 17.18 | 8.07 | 7.83 | 0.97 | 0.17 | 0.72 | 7.82 | 0.18 | 2.26 | 0.73 | 1.40 | 4.39 | 0.13 | 0.11 | 0.04 | −0.18 | −0.23 | 0.41 | |||
n: 19 | SD | 4.47 | 3.06 | 5.72 | 2.37 | 0.69 | 0.38 | 0.42 |
Ref. | Tetrahedral Cations | Octahedral Cations | Interlayer Cations | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Si | AlIV | AlVI | Fe3+ | Mg | Ti | Ʃo | Ca | K | Na | X+ | |||
Tajo Basin | Green Clays | [67] * | 7.40 | 0.60 | 0.40 | 0.05 | 5.40 | 5.85 | 0.30 | ||||
[71] * | 7.52 | 0.48 | 0.88 | 0.52 | 3.62 | 5.02 | 0.10 | 0.38 | |||||
[71] * | 6.18 | 1.80 | 3.58 | 0.16 | 0.46 | 4.20 | 1.58 | ||||||
[71] * | 6.70 | 1.30 | 1.10 | 0.46 | 3.62 | 5.18 | 0.06 | 0.50 | |||||
[25] | 7.33 | 0.67 | 0.33 | 0.25 | 5.00 | 0.02 | 5.60 | 0.40 | 0.05 | ||||
[25] | 7.26 | 0.74 | 0.52 | 0.35 | 4.55 | 0.03 | 5.45 | 0.39 | 0.13 | ||||
[114] | 7.44 | 0.56 | 0.54 | 0.26 | 4.64 | 5.44 | 0.04 | 0.41 | |||||
[115] | 7.60 | 0.40 | 0.30 | 0.24 | 4.60 | 5.14 | 0.15 | 0.29 | |||||
[115] | 7.54 | 0.46 | 0.26 | 0.18 | 5.20 | 5.64 | 0.04 | 0.33 | |||||
[28] | 7.53 | 0.47 | 0.19 | 0.15 | 5.29 | 0.02 | 5.65 | 0.03 | 0.04 | ||||
[28] | 7.68 | 0.32 | 0.13 | 5.68 | 0.01 | 5.82 | 0.01 | 0.04 | |||||
[75] | 7.00 | 1.00 | 0.18 | 5.92 | 6.10 | 0.12 | 0.03 | ||||||
[75] | 6.40 | 1.60 | 0.88 | 0.82 | 3.68 | 0.1 | 5.48 | 0.18 | 0.46 | ||||
Pink Clays | [78] | 8.01 | 0.36 | 0.11 | 4.76 | 5.26 | 0.01 | 0.01 | |||||
[25] | 7.69 | 0.31 | 0.09 | 0.08 | 5.61 | 5.78 | 0.29 | 0.01 | |||||
[28] | 7.88 | 0.12 | 0.02 | 0.03 | 5.88 | 0.01 | 5.93 | 0.02 | |||||
[28] | 8.00 | 0.10 | 0.05 | 5.66 | 5.81 | 0.04 | 0.04 | ||||||
[28] | 7.90 | 0.10 | 0.03 | 0.03 | 5.89 | 0.01 | 5.95 | 0.02 | 0.01 | ||||
[28] | 8.00 | 0.10 | 0.05 | 5.66 | 5.81 | 0.04 | 0.01 | 0.04 | |||||
[28] | 7.90 | 0.10 | 0.03 | 0.03 | 5.89 | 0.01 | 5.96 | 0.02 | 0.01 | ||||
[75] | 7.98 | 0.02 | 0.64 | 0.06 | 4.80 | 5.50 | 0.07 | 0.04 | |||||
[109] | 8.00 | 0.13 | 0.05 | 5.60 | 5.78 | 0.08 | 0.06 | 0.04 | |||||
[111] | 7.94 | 0.06 | 0.15 | 0.09 | 5.34 | 0.01 | 5.58 | 0.18 | 0.01 | 0.08 | |||
[111] | 7.51 | 0.49 | 0.43 | 0.16 | 4.95 | 0.01 | 5.54 | 0.35 | 0.08 | ||||
[28] | 7.80 | 0.20 | 0.06 | 0.06 | 5.56 | 0.01 | 5.68 | 0.02 | 0.06 | ||||
Cabo de Gata | Los Trancos | [101] | 7.81 | 0.19 | 2.96 | 0.12 | 1.00 | 4.09 | 0.94 | ||||
[101] | 7.74 | 0.26 | 3.06 | 0.21 | 0.79 | 4.06 | 0.85 | ||||||
[103] | 7.36 | 0.64 | 3.18 | 0.32 | 0.69 | 4.19 | 0.77 | ||||||
[99,100] | 7.53 | 0.45 | 3.08 | 0.17 | 0.76 | 4.01 | 0.89 | ||||||
[95] | 7.59 | 0.41 | 3.02 | 0.26 | 0.87 | 4.15 | 0.84 | ||||||
[95] | 7.56 | 0.44 | 3.27 | 0.19 | 0.77 | 4.23 | 0.16 | 0.01 | 0.03 | ||||
Morrón de Mateo | [101] | 7.68 | 0.32 | 2.71 | 0.47 | 1.06 | 4.24 | 0.66 | |||||
[116] | 7.79 | 0.21 | 2.26 | 0.87 | 1.00 | 4.13 | 0.82 | ||||||
[117] | 7.79 | 0.21 | 2.35 | 0.67 | 1.17 | 4.19 | 0.83 | ||||||
[95] | 7.62 | 0.38 | 2.57 | 0.56 | 1.11 | 4.24 | 0.91 | ||||||
[107] * | 7.77 | 0.23 | 2.21 | 0.75 | 1.44 | 4.40 | 0.17 | 0.12 | 0.01 | ||||
[107] * | 7.92 | 0.08 | 2.56 | 0.44 | 1.29 | 4.29 | 0.08 | 0.06 | 0.27 | ||||
[107] * | 6.87 | 1.13 | 2.28 | 0.75 | 1.71 | 4.74 | 0.10 | 0.20 | 0.19 | ||||
[107] * | 7.46 | 0.54 | 2.09 | 0.85 | 1.49 | 4.43 | 0.27 | 0.07 | 0.15 | ||||
[107] * | 7.57 | 0.43 | 1.95 | 0.90 | 1.74 | 4.59 | 0.20 | 0.08 | 0.05 | ||||
[107] * | 7.52 | 0.48 | 1.96 | 0.87 | 1.58 | 4.41 | 0.24 | 0.24 | 0.13 | ||||
[107] * | 7.70 | 0.30 | 2.20 | 0.71 | 1.58 | 4.49 | 0.15 | 0.09 | 0.04 | ||||
[107,108] * | 7.91 | 0.09 | 2.63 | 0.42 | 1.21 | 4.26 | 0.16 | 0.07 | 0.15 | ||||
[107,108] * | 7.91 | 0.09 | 2.53 | 0.47 | 1.21 | 4.21 | 0.16 | 0.22 | 0.12 | ||||
[107,108] * | 7.86 | 0.14 | 2.56 | 0.52 | 1.22 | 4.30 | 0.13 | 0.05 | 0.18 | ||||
[107,108] * | 7.96 | 0.04 | 2.56 | 0.46 | 1.23 | 0.01 | 4.26 | 0.14 | 0.05 | 0.16 | |||
[108] * | 7.60 | 0.40 | 2.22 | 0.89 | 1.24 | 4.35 | 0.12 | 0.09 | 0.29 | ||||
[108] * | 7.95 | 0.05 | 2.64 | 0.54 | 1.04 | 4.22 | 0.16 | 0.07 | |||||
[108] * | 7.76 | 0.24 | 2.50 | 0.53 | 1.26 | 4.29 | 0.15 | 0.07 | 0.25 | ||||
[108] * | 7.95 | 0.05 | 2.43 | 0.53 | 1.29 | 4.25 | 0.17 | 0.11 | 0.11 | ||||
[108] * | 7.78 | 0.22 | 2.41 | 0.53 | 1.34 | 4.28 | 0.17 | 0.07 | 0.30 | ||||
[108] * | 7.65 | 0.35 | 2.31 | 0.71 | 1.26 | 4.28 | 0.08 | 0.21 | 0.38 | ||||
[108] * | 7.83 | 0.17 | 2.26 | 0.80 | 1.19 | 0.03 | 4.28 | 0.11 | 0.11 | 0.19 | |||
[108] * | 7.77 | 0.23 | 2.47 | 0.63 | 1.18 | 4.28 | 0.17 | 0.14 | 0.20 | ||||
[108] * | 7.80 | 0.20 | 2.66 | 0.53 | 1.09 | 0.01 | 4.29 | 0.12 | 0.10 | 0.07 | |||
[108] * | 7.48 | 0.52 | 2.61 | 0.65 | 1.06 | 0.01 | 4.33 | 0.12 | 0.12 | 0.19 | |||
[108] * | 7.73 | 0.27 | 2.43 | 0.65 | 1.20 | 4.28 | 0.18 | 0.11 | 0.14 | ||||
[108] * | 7.72 | 0.28 | 2.32 | 0.72 | 1.22 | 4.26 | 0.19 | 0.12 | 0.23 | ||||
[108] * | 7.81 | 0.19 | 2.42 | 0.65 | 1.17 | 0.01 | 4.25 | 0.12 | 0.13 | 0.24 | |||
[108] * | 7.03 | 0.97 | 0.77 | 1.54 | 2.76 | 0.02 | 5.09 | 0.10 | 0.26 | ||||
[108] * | 7.01 | 0.99 | 0.82 | 1.51 | 2.59 | 4.92 | 0.08 | 0.11 | 0.58 | ||||
[108] * | 6.61 | 1.39 | 0.91 | 1.53 | 2.78 | 5.22 | 0.14 | 0.02 | 0.20 | ||||
Cortijo Archidona | [101] | 7.74 | 0.26 | 2.69 | 0.55 | 1.04 | 4.28 | 0.74 | |||||
[95] | 7.77 | 0.22 | 2.78 | 0.33 | 1.03 | 4.14 | 0.81 | ||||||
[118] * | 8.00 | 2.68 | 0.56 | 0.89 | 4.13 | ||||||||
[119] | 7.71 | 0.22 | 2.73 | 0.52 | 0.86 | 4.11 | 0.11 | 0.83 | |||||
Tamame | [86] * | 6.64 | 1.36 | 4.07 | 0.29 | 4.36 | 0.09 | 0.10 | |||||
[86] * | 7.63 | 0.37 | 3.23 | 0.17 | 0.79 | 4.19 | 0.26 | 0.07 | |||||
[86] * | 7.74 | 0.26 | 3.12 | 0.21 | 0.77 | 4.10 | 0.30 | 0.07 | 0.03 | ||||
[86] * | 7.58 | 0.42 | 3.07 | 0.23 | 0.88 | 4.18 | 0.32 | 0.11 |
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García-Romero, E.; María Manchado, E.; Suárez, M.; García-Rivas, J. Spanish Bentonites: A Review and New Data on Their Geology, Mineralogy, and Crystal Chemistry. Minerals 2019, 9, 696. https://0-doi-org.brum.beds.ac.uk/10.3390/min9110696
García-Romero E, María Manchado E, Suárez M, García-Rivas J. Spanish Bentonites: A Review and New Data on Their Geology, Mineralogy, and Crystal Chemistry. Minerals. 2019; 9(11):696. https://0-doi-org.brum.beds.ac.uk/10.3390/min9110696
Chicago/Turabian StyleGarcía-Romero, Emilia, Eva María Manchado, Mercedes Suárez, and Javier García-Rivas. 2019. "Spanish Bentonites: A Review and New Data on Their Geology, Mineralogy, and Crystal Chemistry" Minerals 9, no. 11: 696. https://0-doi-org.brum.beds.ac.uk/10.3390/min9110696