Geochemical Evidence for Mantle Origin and Crustal Processes in ...
Geochemical Evidence for Mantle Origin and Crustal Processes in ...
Geochemical Evidence for Mantle Origin and Crustal Processes in ...
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JOURNAL OF PETROLOGY VOLUME 46 NUMBER 6 JUNE 2005<br />
Table 1: cont<strong>in</strong>ued<br />
Suite: SCVF scoria cones<br />
Sample: 96331A 96355 96348 96332 96347 96343 95110 96358 95107 96340 96335 96338 96336A 96339<br />
Location: Volcán<br />
Atlacorra<br />
Cerro<br />
Xexquixtle<br />
Loma Sacramento<br />
Volcán<br />
Amoloc<br />
Loma Sacramento<br />
Cerro<br />
Cocotitlán<br />
Quarry N<br />
Tenango<br />
Rock type: Scoria Scoria Scoria Scoria Scoria Scoria Scoria Scoria Scoria Scoria Lava Lava Scoria Scoria<br />
M<strong>in</strong>eralogy: ol ol ol ol ol ol>cpx>pl ol>cpx>pl ol>2px ol ol 2px>pl pl>ol ol ol<br />
Latitude N: 19 06 0 32 00 18 59 0 03 00 19 02 0 40 00 19 06 0 34 00 19 02 0 51 00 19 14 0 22 00 19 09 0 50 00 18 53 0 56 00 19 05 0 22 00 19 10 0 45 00 19 05 0 47 00 19 11 0 18 00 19 10 0 52 00 19 11 0 07 00<br />
Longitude W: 98 53 0 27 00 98 54 0 08 00 98 53 0 17 00 98 52 0 17 00 98 53 0 33 00 98 51 0 59 00 98 51 0 27 00 98 48 0 28 00 98 51 0 10 00 98 48 0 10 00 98 48 0 25 00 98 47 0 57 00 98 47 0 46 00 98 48 0 46 00<br />
Altitude (m): 2600 2000 3000 2600 3300 2235 2320 1800 2660 2475 2600 2430 2450 2520<br />
Distance from<br />
crater: 28.4km NW 27.8km W 26.8km W 26.5km NW 27km W 33.2km NW 27.4kmNW 23kmSW 24.1km NW 23.8km NW 19.7km NW 24.7km NW 23.4km NW 25.9km NW<br />
Quarry N<br />
Xochitlán<br />
Volcán<br />
Aholo<br />
Cerro<br />
Tepeixte<br />
Cerro<br />
Xoyacán<br />
N Cerro<br />
La Joya<br />
Cerro La<br />
Joya<br />
Cerro<br />
Tenayo<br />
wt %<br />
SiO 2 54.72 55.03 55.71 55.75 55.77 56.19 56.45 56.59 57.44 57.64 57.68 57.71 57.73 58.53<br />
TiO2 1.02 1.20 1.09 1.47 1.11 1.31 1.14 1.00 0.96 1.20 1.25 1.18 1.18 1.29<br />
Al2O3 16.66 15.70 16.71 16.21 17.00 16.59 15.30 14.78 16.15 15.71 15.97 15.79 15.82 15.85<br />
Fe 2 O 3 (tot) 7.70 7.11 7.75 8.22 7.79 7.76 7.42 6.97 7.08 7.67 7.52 7.38 6.91 7.46<br />
MnO 0.12 0.12 0.12 0.13 0.12 0.11 0.12 0.10 0.11 0.12 0.12 0.11 0.11 0.12<br />
MgO 7.30 8.08 6.60 5.86 6.74 6.02 5.47 8.13 6.21 6.58 4.72 6.30 6.45 5.62<br />
CaO 7.02 7.10 7.20 6.75 7.30 7.00 6.99 6.89 6.43 6.75 6.04 6.50 6.56 6.36<br />
Na 2 O 3.79 3.43 3.72 3.73 3.72 3.77 3.73 3.53 3.93 3.79 3.86 3.69 3.74 3.91<br />
K2O 1.07 1.16 1.32 1.65 1.23 1.66 1.61 1.19 1.33 1.47 1.77 1.51 1.50 1.77<br />
P2O5 0.20 0.23 0.21 0.42 0.21 0.34 0.43 0.23 0.22 0.32 0.50 0.30 0.28 0.43<br />
LOI 0.04 0.11 0.27 0.20
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