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Round Top prospects, Sierra Blanca Peaks, Hudspeth County, Texas, USAi
Regional Level Types
Round Top prospectsGroup of Prospects
Sierra Blanca PeaksSierra
Hudspeth CountyCounty
TexasState
USACountry

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Latitude & Longitude (WGS84):
31° 16' 56'' North , 105° 28' 29'' West
Latitude & Longitude (decimal):
31.28250,-105.47472
GeoHash:
G#: 9tsczyg9u
GRN:
N21W65
Type:
Group of Prospects
KΓΆppen climate type:
BWk : Cold desert climate
Nearest Settlements:
PlacePopulationDistance
Sierra Blanca553 (2011)16.4km
Fort Hancock1,750 (2011)35.2km
Porvenir1,253 (2018)38.5km
San JosΓ© de Paredes153 (2018)42.4km
Esperanza710 (2018)46.6km
Mindat Locality ID:
43068
Long-form identifier:
mindat:1:2:43068:4
GUID (UUID V4):
1b309456-fd4d-40b3-98f5-85360fcce1ea


The laccolith is anomalous within the region in that it is peraluminous and
enriched in HREEs, F, and U, and is comprised of intermingled discrete
packages of various rhyolite types. Also lithium rich micas. Unknown mineral is a Nb-rich oxide with minor amounts of Ta, Fe, Mn, Pb, and F

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.


Mineral List


30 valid minerals.

Rock Types Recorded

Note: data is currently VERY limited. Please bear with us while we work towards adding this information!

Select Rock List Type

Alphabetical List Tree Diagram

Detailed Mineral List:

β“˜ Aeschynite-(Ce)
Formula: (Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
β“˜ Albite
Formula: Na(AlSi3O8)
β“˜ Ancylite-(La)
Formula: LaSr(CO3)2(OH) · H2O
β“˜ Annite
Formula: KFe2+3(AlSi3O10)(OH)2
β“˜ Baryte
Formula: BaSO4
β“˜ 'BastnΓ€site'
Formula: (Ce/Nd/Y/REE)(CO3)F
β“˜ BastnΓ€site-(Ce)
Formula: Ce(CO3)F
β“˜ Bertrandite
Formula: Be4(Si2O7)(OH)2
β“˜ 'Biotite'
Formula: K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜ Calcite
Formula: CaCO3
β“˜ Cassiterite
Formula: SnO2
β“˜ Cerianite-(Ce)
Formula: (Ce4+,Th)O2
β“˜ Cerussite
Formula: PbCO3
β“˜ Changbaiite
Formula: PbNb2O6
β“˜ Coffinite
Formula: U(SiO4) · nH2O
β“˜ Columbite-(Fe)
Formula: Fe2+Nb2O6
β“˜ 'Columbite-(Fe)-Columbite-(Mn) Series'
β“˜ Cryolite
Formula: Na2NaAlF6
β“˜ Elpasolite
Formula: K2NaAlF6
β“˜ 'Feldspar Group'
β“˜ Fluellite
Formula: Al2(PO4)F2(OH) · 7H2O
β“˜ Fluorite
Formula: CaF2
β“˜ Fluorite var. Cerfluorite
Formula: (Ca,Ce)F2+x
β“˜ Fluorite var. Yttrocerite
Formula: (Ca,Y,Ce)F2+x
β“˜ Fluorite var. Yttrofluorite
Formula: (Ca1-xYx)F2+x where 0.05< x
References:
Weng, Z. H., Jowitt, S. M., Mudd, G. M., & Haque, N. (2013). Assessing rare earth element mineral deposit types and links to environmental impacts. Applied Earth Science, 122(2), 83-96.
O'Neill, L. C. (2014). REE-Be-UF mineralization of the Round Top laccolith, Sierra Blanca Peaks, Trans-Pecos Texas (MS dissertation).
Elliott, Brent A. (2018) "Petrogenesis of Heavy Rare Earth Element Enriched Rhyolite: Source and Magmatic Evolution of the Round Top Laccolith, Trans-Pecos, Texas" Minerals 8, no. 10: 423. https://doi.org/10.3390/min8100423
Piccione, G., Rasbury, E. T., Elliott, B. A., Kyle, J. R., Jaret, S. J., Acerbo, A. S., ... & Parrish, R. R. (2019). Vein fluorite U-Pb dating demonstrates post–6.2 Ma rare-earth element mobilization associated with Rio Grande rifting. Geosphere, 15(6), 1958-1972.
β“˜ Hematite
Formula: Fe2O3
β“˜ Kaolinite
Formula: Al2(Si2O5)(OH)4
β“˜ Kasolite
Formula: Pb(UO2)(SiO4) · H2O
β“˜ 'K Feldspar'
β“˜ Magnetite
Formula: Fe2+Fe3+2O4
β“˜ Nacrite
Formula: Al2(Si2O5)(OH)4
β“˜ 'Plagioclase'
Formula: (Na,Ca)[(Si,Al)AlSi2]O8
β“˜ 'Pyrochlore Supergroup'
Formula: A2-mD2X6-wZ1-n
β“˜ 'Pyrochlore Supergroup var. Betafite (of Hogarth 1977)'
Formula: (Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
β“˜ Quartz
Formula: SiO2
β“˜ Quartz var. Rutilated Quartz
Formula: SiO2
β“˜ 'Sodic plagioclase'
β“˜ 'Synchysite'
Formula: Ca(Ce/Nd/Y/REE)(CO3)2F
β“˜ 'Tantalite'
Formula: (Mn,Fe)(Ta,Nb)2O6
β“˜ Thomsenolite
Formula: NaCa[AlF6] · H2O
β“˜ Thorite
Formula: Th(SiO4)
β“˜ Uraninite
Formula: UO2
β“˜ 'Xenotime'
β“˜ Xenotime-(Y)
Formula: Y(PO4)
β“˜ Zircon
Formula: Zr(SiO4)
β“˜ Zunyite
Formula: Al13Si5O20(OH,F)18Cl

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 3 - Halides
β“˜Fluorite
var. Cerfluorite		3.AB.25(Ca,Ce)F2+x
β“˜var. Yttrocerite3.AB.25(Ca,Y,Ce)F2+x
β“˜3.AB.25CaF2
β“˜var. Yttrofluorite3.AB.25(Ca1-xYx)F2+x where 0.05< x
β“˜Elpasolite3.CB.15K2NaAlF6
β“˜Cryolite3.CB.15Na2NaAlF6
β“˜Thomsenolite3.CB.40NaCa[AlF6] Β· H2O
Group 4 - Oxides and Hydroxides
β“˜Magnetite4.BB.05Fe2+Fe3+2O4
β“˜Hematite4.CB.05Fe2O3
β“˜Quartz4.DA.05SiO2
β“˜var. Rutilated Quartz4.DA.05SiO2
β“˜Cassiterite4.DB.05SnO2
β“˜Columbite-(Fe)4.DB.35Fe2+Nb2O6
β“˜Aeschynite-(Ce)4.DF.05(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
β“˜Changbaiite4.DF.10PbNb2O6
β“˜Uraninite4.DL.05UO2
β“˜Cerianite-(Ce)4.DL.05(Ce4+,Th)O2
Group 5 - Nitrates and Carbonates
β“˜Calcite5.AB.05CaCO3
β“˜Cerussite5.AB.15PbCO3
β“˜BastnΓ€site-(Ce)5.BD.20aCe(CO3)F
β“˜Ancylite-(La)5.DC.05LaSr(CO3)2(OH) Β· H2O
Group 7 - Sulphates, Chromates, Molybdates and Tungstates
β“˜Baryte7.AD.35BaSO4
Group 8 - Phosphates, Arsenates and Vanadates
β“˜Xenotime-(Y)8.AD.35Y(PO4)
β“˜Fluellite8.DE.10Al2(PO4)F2(OH) Β· 7H2O
Group 9 - Silicates
β“˜Coffinite9.AD.30U(SiO4) Β· nH2O
β“˜Zircon9.AD.30Zr(SiO4)
β“˜Thorite9.AD.30Th(SiO4)
β“˜Kasolite9.AK.15Pb(UO2)(SiO4) Β· H2O
β“˜Bertrandite9.BD.05Be4(Si2O7)(OH)2
β“˜Zunyite9.BJ.55Al13Si5O20(OH,F)18Cl
β“˜Annite9.EC.20KFe2+3(AlSi3O10)(OH)2
β“˜Kaolinite9.ED.05Al2(Si2O5)(OH)4
β“˜Nacrite9.ED.05Al2(Si2O5)(OH)4
β“˜Albite9.FA.35Na(AlSi3O8)
Unclassified
β“˜'Columbite-(Fe)-Columbite-(Mn) Series'-
β“˜'Pyrochlore Supergroup'-A2-mD2X6-wZ1-n
β“˜'K Feldspar'-
β“˜'Plagioclase'-(Na,Ca)[(Si,Al)AlSi2]O8
β“˜'Tantalite'-(Mn,Fe)(Ta,Nb)2O6
β“˜'Synchysite'-Ca(Ce/Nd/Y/REE)(CO3)2F
β“˜'BastnΓ€site'-(Ce/Nd/Y/REE)(CO3)F
β“˜'Xenotime'-
β“˜'Pyrochlore Supergroup
var. Betafite (of Hogarth 1977)'		-(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
β“˜'Biotite'-K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
β“˜'Feldspar Group'-
β“˜'Sodic plagioclase'-

List of minerals for each chemical element

HHydrogen
Hβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Hβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Hβ“˜ BertranditeBe4(Si2O7)(OH)2
Hβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Hβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Hβ“˜ CoffiniteU(SiO4) · nH2O
Hβ“˜ FluelliteAl2(PO4)F2(OH) · 7H2O
Hβ“˜ KaoliniteAl2(Si2O5)(OH)4
Hβ“˜ KasolitePb(UO2)(SiO4) · H2O
Hβ“˜ NacriteAl2(Si2O5)(OH)4
Hβ“˜ ThomsenoliteNaCa[AlF6] · H2O
Hβ“˜ ZunyiteAl13Si5O20(OH,F)18Cl
Hβ“˜ Ancylite-(La)LaSr(CO3)2(OH) · H2O
BeBeryllium
Beβ“˜ BertranditeBe4(Si2O7)(OH)2
CCarbon
Cβ“˜ BastnΓ€site-(Ce)Ce(CO3)F
Cβ“˜ BastnΓ€site(Ce/Nd/Y/REE)(CO3)F
Cβ“˜ CalciteCaCO3
Cβ“˜ CerussitePbCO3
Cβ“˜ Ancylite-(La)LaSr(CO3)2(OH) · H2O
Cβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
OOxygen
Oβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Oβ“˜ AlbiteNa(AlSi3O8)
Oβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Oβ“˜ BaryteBaSO4
Oβ“˜ BastnΓ€site-(Ce)Ce(CO3)F
Oβ“˜ BastnΓ€site(Ce/Nd/Y/REE)(CO3)F
Oβ“˜ BertranditeBe4(Si2O7)(OH)2
Oβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Oβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Oβ“˜ CalciteCaCO3
Oβ“˜ CassiteriteSnO2
Oβ“˜ Cerianite-(Ce)(Ce4+,Th)O2
Oβ“˜ CerussitePbCO3
Oβ“˜ ChangbaiitePbNb2O6
Oβ“˜ CoffiniteU(SiO4) · nH2O
Oβ“˜ Columbite-(Fe)Fe2+Nb2O6
Oβ“˜ FluelliteAl2(PO4)F2(OH) · 7H2O
Oβ“˜ HematiteFe2O3
Oβ“˜ KaoliniteAl2(Si2O5)(OH)4
Oβ“˜ KasolitePb(UO2)(SiO4) · H2O
Oβ“˜ MagnetiteFe2+Fe23+O4
Oβ“˜ NacriteAl2(Si2O5)(OH)4
Oβ“˜ QuartzSiO2
Oβ“˜ Quartz var. Rutilated QuartzSiO2
Oβ“˜ Tantalite(Mn,Fe)(Ta,Nb)2O6
Oβ“˜ ThomsenoliteNaCa[AlF6] · H2O
Oβ“˜ ThoriteTh(SiO4)
Oβ“˜ UraniniteUO2
Oβ“˜ Xenotime-(Y)Y(PO4)
Oβ“˜ ZirconZr(SiO4)
Oβ“˜ ZunyiteAl13Si5O20(OH,F)18Cl
Oβ“˜ Ancylite-(La)LaSr(CO3)2(OH) · H2O
Oβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Oβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
FFluorine
Fβ“˜ BastnΓ€site-(Ce)Ce(CO3)F
Fβ“˜ BastnΓ€site(Ce/Nd/Y/REE)(CO3)F
Fβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Fβ“˜ CryoliteNa2NaAlF6
Fβ“˜ ElpasoliteK2NaAlF6
Fβ“˜ FluelliteAl2(PO4)F2(OH) · 7H2O
Fβ“˜ FluoriteCaF2
Fβ“˜ ThomsenoliteNaCa[AlF6] · H2O
Fβ“˜ Fluorite var. Yttrofluorite(Ca1-xYx)F2+x where 0.05< x
Fβ“˜ ZunyiteAl13Si5O20(OH,F)18Cl
Fβ“˜ Fluorite var. Yttrocerite(Ca,Y,Ce)F2+x
Fβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Fβ“˜ Fluorite var. Cerfluorite(Ca,Ce)F2+x
NaSodium
Naβ“˜ AlbiteNa(AlSi3O8)
Naβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Naβ“˜ CryoliteNa2NaAlF6
Naβ“˜ ElpasoliteK2NaAlF6
Naβ“˜ ThomsenoliteNaCa[AlF6] · H2O
Naβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
MgMagnesium
Mgβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
AlAluminium
Alβ“˜ AlbiteNa(AlSi3O8)
Alβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Alβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Alβ“˜ CryoliteNa2NaAlF6
Alβ“˜ ElpasoliteK2NaAlF6
Alβ“˜ FluelliteAl2(PO4)F2(OH) · 7H2O
Alβ“˜ KaoliniteAl2(Si2O5)(OH)4
Alβ“˜ NacriteAl2(Si2O5)(OH)4
Alβ“˜ ThomsenoliteNaCa[AlF6] · H2O
Alβ“˜ ZunyiteAl13Si5O20(OH,F)18Cl
Alβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
SiSilicon
Siβ“˜ AlbiteNa(AlSi3O8)
Siβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Siβ“˜ BertranditeBe4(Si2O7)(OH)2
Siβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Siβ“˜ CoffiniteU(SiO4) · nH2O
Siβ“˜ KaoliniteAl2(Si2O5)(OH)4
Siβ“˜ KasolitePb(UO2)(SiO4) · H2O
Siβ“˜ NacriteAl2(Si2O5)(OH)4
Siβ“˜ QuartzSiO2
Siβ“˜ Quartz var. Rutilated QuartzSiO2
Siβ“˜ ThoriteTh(SiO4)
Siβ“˜ ZirconZr(SiO4)
Siβ“˜ ZunyiteAl13Si5O20(OH,F)18Cl
Siβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
PPhosphorus
Pβ“˜ FluelliteAl2(PO4)F2(OH) · 7H2O
Pβ“˜ Xenotime-(Y)Y(PO4)
SSulfur
Sβ“˜ BaryteBaSO4
ClChlorine
Clβ“˜ ZunyiteAl13Si5O20(OH,F)18Cl
KPotassium
Kβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Kβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Kβ“˜ ElpasoliteK2NaAlF6
CaCalcium
Caβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Caβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Caβ“˜ CalciteCaCO3
Caβ“˜ FluoriteCaF2
Caβ“˜ ThomsenoliteNaCa[AlF6] · H2O
Caβ“˜ Fluorite var. Yttrofluorite(Ca1-xYx)F2+x where 0.05< x
Caβ“˜ Fluorite var. Yttrocerite(Ca,Y,Ce)F2+x
Caβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Caβ“˜ Plagioclase(Na,Ca)[(Si,Al)AlSi2]O8
Caβ“˜ Fluorite var. Cerfluorite(Ca,Ce)F2+x
TiTitanium
Tiβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Tiβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Tiβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
MnManganese
Mnβ“˜ Tantalite(Mn,Fe)(Ta,Nb)2O6
FeIron
Feβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Feβ“˜ AnniteKFe32+(AlSi3O10)(OH)2
Feβ“˜ BiotiteK(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Feβ“˜ Columbite-(Fe)Fe2+Nb2O6
Feβ“˜ HematiteFe2O3
Feβ“˜ MagnetiteFe2+Fe23+O4
Feβ“˜ Tantalite(Mn,Fe)(Ta,Nb)2O6
SrStrontium
Srβ“˜ Ancylite-(La)LaSr(CO3)2(OH) · H2O
YYttrium
Yβ“˜ BastnΓ€site(Ce/Nd/Y/REE)(CO3)F
Yβ“˜ Xenotime-(Y)Y(PO4)
Yβ“˜ Fluorite var. Yttrofluorite(Ca1-xYx)F2+x where 0.05< x
Yβ“˜ Fluorite var. Yttrocerite(Ca,Y,Ce)F2+x
Yβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
ZrZirconium
Zrβ“˜ ZirconZr(SiO4)
NbNiobium
Nbβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Nbβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Nbβ“˜ ChangbaiitePbNb2O6
Nbβ“˜ Columbite-(Fe)Fe2+Nb2O6
Nbβ“˜ Tantalite(Mn,Fe)(Ta,Nb)2O6
SnTin
Snβ“˜ CassiteriteSnO2
BaBarium
Baβ“˜ BaryteBaSO4
LaLanthanum
Laβ“˜ Ancylite-(La)LaSr(CO3)2(OH) · H2O
CeCerium
Ceβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Ceβ“˜ BastnΓ€site-(Ce)Ce(CO3)F
Ceβ“˜ BastnΓ€site(Ce/Nd/Y/REE)(CO3)F
Ceβ“˜ Cerianite-(Ce)(Ce4+,Th)O2
Ceβ“˜ Fluorite var. Yttrocerite(Ca,Y,Ce)F2+x
Ceβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
Ceβ“˜ Fluorite var. Cerfluorite(Ca,Ce)F2+x
NdNeodymium
Ndβ“˜ BastnΓ€site(Ce/Nd/Y/REE)(CO3)F
Ndβ“˜ SynchysiteCa(Ce/Nd/Y/REE)(CO3)2F
TaTantalum
Taβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Taβ“˜ Tantalite(Mn,Fe)(Ta,Nb)2O6
PbLead
Pbβ“˜ CerussitePbCO3
Pbβ“˜ ChangbaiitePbNb2O6
Pbβ“˜ KasolitePb(UO2)(SiO4) · H2O
ThThorium
Thβ“˜ Aeschynite-(Ce)(Ce,Ca,Fe,Th)(Ti,Nb)2(O,OH)6
Thβ“˜ Cerianite-(Ce)(Ce4+,Th)O2
Thβ“˜ ThoriteTh(SiO4)
UUranium
Uβ“˜ Pyrochlore Supergroup var. Betafite (of Hogarth 1977)(Ca,Na,U)2(Ti, Nb,Ta)2O6Z(OH)
Uβ“˜ CoffiniteU(SiO4) · nH2O
Uβ“˜ KasolitePb(UO2)(SiO4) · H2O
Uβ“˜ UraniniteUO2

Other Regions, Features and Areas containing this locality

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References

O'Neill, L. C. (2014). REE-Be-UF mineralization of the Round Top laccolith, Sierra Blanca Peaks, Trans-Pecos Texas (MS dissertation).
Elliott, Brent A. (2018) "Petrogenesis of Heavy Rare Earth Element Enriched Rhyolite: Source and Magmatic Evolution of the Round Top Laccolith, Trans-Pecos, Texas" Minerals 8, no. 10: 423. https://doi.org/10.3390/min8100423
Piccione, G., Rasbury, E. T., Elliott, B. A., Kyle, J. R., Jaret, S. J., Acerbo, A. S., ... & Parrish, R. R. (2019). Vein fluorite U-Pb dating demonstrates post–6.2 Ma rare-earth element mobilization associated with Rio Grande rifting. Geosphere, 15(6), 1958-1972.
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