Log InRegister
Search For:
Mineral Name:
Locality Name:
Keyword(s):
 
Home PageAbout MindatThe Mindat ManualHistory of MindatCopyright StatusWho We AreOur ScienceMindat Newsletter [Free Download]Contact Us
Donate to MindatSponsor a PageCorporate SponsorshipSponsored Pages
Learning CenterWhat Is a Mineral?The Most Common Minerals on EarthInformation for EducatorsMindat ArticlesMindat Newsletter [Free Download]The ElementsThe Mineral Quiz
Search FormMinerals by PropertiesMinerals by ChemistryMineral Visual ExplorerAdvanced Locality SearchRandom MineralRandom LocalitySearch by minIDMinerals by CountryAlphabetical Mineral IndexAlphabetical Locality SearchMineral Association SearchList of CountriesLocalities Near MePhoto SearchSearch ArticlesSearch GlossaryThe Rock H. Currier Digital LibraryMore Search Options
The Mindat ManualAdd a New PhotoRate PhotosLocality Edit ReportCoordinate Completion ReportAdd Glossary Item
MineralsPetrologyFossilsMeteoritesGeologic Time
Mining CompaniesStatisticsMineral MuseumsClubs & OrganizationsMineral Shows & EventsDevice SettingsTime Machine
Read DiscussionsIdentification Request
Photo SearchPhoto GalleriesSearch by ColourPhoto Colour ExplorerNew Photos TodayNew Photos YesterdayMembers' Photo GalleriesPast Photo of the Day GalleryPhotography

Boyd County, Nebraska, USAi
Regional Level Types
Boyd CountyCounty
NebraskaState
USACountry

This page is currently not sponsored. Click here to sponsor this page.
PhotosMapsSearch
07483400017272057858114.jpg
Old Baldy from below, 2010

Boyd County, Nebraska, USA
00441030017272057868156.jpg
Niobrara River, southeast of Spencer, Nebraska

Boyd County, Nebraska, USA
07483400017272057858114.jpg
Old Baldy from below, 2010

Boyd County, Nebraska, USA
00441030017272057868156.jpg
Niobrara River, southeast of Spencer, Nebraska

Boyd County, Nebraska, USA
00845960017272057873688.jpg
Old Baldy from below, 2010

Boyd County, Nebraska, USA
03183740017272057877004.jpg
Niobrara River, southeast of Spencer, Nebraska

Boyd County, Nebraska, USA
Type:
Largest Settlements:
PlacePopulation
Spencer433 (2017)
Butte310 (2017)
Lynch230 (2017)
Mindat Locality ID:
27476
Long-form identifier:
mindat:1:2:27476:9
GUID (UUID V4):
0
Other Languages:
French:
comté de Boyd, Nebraska, États-Unis
German:
Boyd County, Nebraska, Vereinigte Staaten
Italian:
contea di Boyd, Nebraska, Stati Uniti d'America
Russian:
Бойд, Небраска, Соединённые Штаты Америки
Simplified Chinese:
博伊德縣, 內布拉斯加州, 美国
Spanish:
Condado de Boyd, Nebraska, Estados Unidos
Albanian:
Boyd County, Nebraska, Shtetet e Bashkuara të Amerikës
Arabic:
مقاطعة بويد, نبراسكا, الولايات المتحدة
Armenian:
Բոյդ շրջան, Նեբրասկա, Ամերիկայի Միացյալ Նահանգներ
Basque:
Boyd konderria , Nebraska
Bavarian:
Boyd County, Nebraska, Vaoanigte Stootn
Bishnupriya Manipuri:
বোয়েড কাউন্টি, নেব্রাস্কা, তিলপারাষ্ট্র
Bulgarian:
Бойд, Небраска, Съединени американски щати
Cebuano:
Boyd County, Nebraska
Dutch:
Boyd County, Nebraska, Verenigde Staten
Farsi/Persian:
شهرستان بوید، نبراسکا, نبراسکا, ایالات متحده آمریکا
Georgian:
ბოიდის ოლქი, ნებრასკა, ამერიკის შეერთებული შტატები
Hungarian:
Boyd megye, Nebraska, Amerikai Egyesült Államok
Japanese:
ボイド郡, ネブラスカ州, アメリカ合衆国
Low Saxon/Low German:
Boyd County, Nebraska, USA
Min Dong Chinese:
Boyd Gông, Nebraska
Minnan / Hokkien-Taiwanese:
Boyd Kūn
Norwegian:
Boyd County, Nebraska, USA
Polish:
Hrabstwo Boyd, Nebraska, Stany Zjednoczone
Portuguese:
Condado de Boyd, Nebraska, Estados Unidos
Romanian:
Comitatul Boyd, Nebraska, Statele Unite ale Americii
Sardinian:
contea de Boyd, Nebraska, Istados Unidos de Amèrica
Scottish Gaelic:
Boyd County, Nebraska, Na Stàitean Aonaichte
Serbian:
Округ Бојд, Небраска, Сједињене Америчке Државе
Serbo-Croatian:
Boyd County, Nebraska, Sjedinjene Američke Države
Swedish:
Boyd County, Nebraska, USA
Traditional Chinese:
博伊德縣, 內布拉斯加州, 美國
Turkish:
Boyd, Nebraska, Amerika Birleşik Devletleri
Ukrainian:
Бойд, Небраска, Сполучені Штати Америки
Urdu:
بائڈ کاؤنٹی، نیبراسکا, نیبراسکا, ریاستہائے متحدہ امریکا
Vietnamese:
Quận Boyd, Nebraska, Chủng Quốc Hoa Kỳ
Waray:
Condado han Boyd, Nebraska, Estados Unidos
Western Punjabi:
بویڈ کاؤنٹی،نیبراسکا, نیبراسکا, امریکہ


Boyd County is in north-central Nebraska, bordering South Dakota. The county seat is Butte.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Mineral List


1 valid mineral.

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:

ⓘ Opal
Formula: SiO2 · nH2O

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 4 - Oxides and Hydroxides
ⓘOpal4.DA.10SiO2 · nH2O

List of minerals for each chemical element

HHydrogen
Hⓘ OpalSiO2 · nH2O
OOxygen
Oⓘ OpalSiO2 · nH2O
SiSilicon
Siⓘ OpalSiO2 · nH2O

Fossils

There are 1 fossil locality from the PaleoBioDB database within this region.

These data are provided on an experimental basis and are taken from external databases. Mindat.org has no control currently over the accuracy of these data.

Occurrences87
Youngest Fossil Listed13.6 Ma (Miocene)
Oldest Fossil Listed16.0 Ma (Miocene)
Stratigraphic Units
UnitNo. OccurrencesAge
Ogallala - Valentine - lower615.97 - 13.6 Ma (Miocene)
Fossils from RegionClick here to show the list.
Accepted NameHierarchy Age
Emydidae
family
Animalia : Chordata : Reptilia : Testudines : Emydidae15.97 - 13.6 Ma
Miocene
Mystipterus
genus
Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Mystipterus15.97 - 13.6 Ma
Miocene
Soricidae
family
Animalia : Chordata : Mammalia : Soricomorpha : Soricidae15.97 - 13.6 Ma
Miocene
Probassariscus
genus
Animalia : Chordata : Mammalia : Carnivora : Procyonidae : Probassariscus15.97 - 13.6 Ma
Miocene
Amphicyonidae
family
Animalia : Chordata : Mammalia : Carnivora : Amphicyonidae15.97 - 13.6 Ma
Miocene
Mylagaulidae
family
Animalia : Chordata : Mammalia : Rodentia : Mylagaulidae15.97 - 13.6 Ma
Miocene
Petauristodon
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Petauristodon15.97 - 13.6 Ma
Miocene
Protospermophilus
genus
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Protospermophilus15.97 - 13.6 Ma
Miocene
Anchitheriomys
genus
Animalia : Chordata : Mammalia : Rodentia : Eutypomyidae : Anchitheriomys15.97 - 13.6 Ma
Miocene
Camelidae
family
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae15.97 - 13.6 Ma
Miocene
Longirostromeryx
genus
Animalia : Chordata : Mammalia : Artiodactyla : Moschidae : Longirostromeryx15.97 - 13.6 Ma
Miocene
Rhinocerotidae
family
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae15.97 - 13.6 Ma
Miocene
Teleoceras
genus
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Teleoceras15.97 - 13.6 Ma
Miocene
Peraceras profectum
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Peraceras : Peraceras profectum15.97 - 13.6 Ma
Miocene
Carpocyon compressus
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Carpocyon : Carpocyon compressus15.97 - 13.6 Ma
Miocene
Aelurodon ferox
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Aelurodon : Aelurodon ferox15.97 - 13.6 Ma
Miocene
Parahippus cognatus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Parahippus : Parahippus cognatus15.97 - 13.6 Ma
Miocene
Longirostromeryx wellsi
species
Animalia : Chordata : Mammalia : Artiodactyla : Moschidae : Longirostromeryx : Longirostromeryx wellsi15.97 - 13.6 Ma
Miocene
Brachypsalis pachycephalus
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Brachypsalis : Brachypsalis pachycephalus15.97 - 13.6 Ma
Miocene
Paratomarctus temerarius
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Paratomarctus : Paratomarctus temerarius15.97 - 13.6 Ma
Miocene
Leptocyon vafer
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Leptocyon : Leptocyon vafer15.97 - 13.6 Ma
Miocene
Eucastor tortus
species
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Eucastor : Eucastor tortus15.97 - 13.6 Ma
Miocene
Merycodus warreni
species
Animalia : Chordata : Mammalia : Artiodactyla : Antilocapridae : Merycodus : Merycodus warreni15.97 - 13.6 Ma
Miocene
Procranioceras skinneri
species
Animalia : Chordata : Mammalia : Artiodactyla : Palaeomerycidae : Procranioceras : Procranioceras skinneri15.97 - 13.6 Ma
Miocene
Cupidinimus nebraskensis
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Cupidinimus : Cupidinimus nebraskensis15.97 - 13.6 Ma
Miocene
Cynarctus saxatilis
species
Animalia : Chordata : Mammalia : Carnivora : Canidae : Cynarctus : Cynarctus saxatilis15.97 - 13.6 Ma
Miocene
Monosaulax curtus
species
Animalia : Chordata : Mammalia : Rodentia : Castoridae : Monosaulax : Monosaulax curtus15.97 - 13.6 Ma
Miocene
Domninoides valentinensis
species
Animalia : Chordata : Mammalia : Soricomorpha : Talpidae : Domninoides : Domninoides valentinensis15.97 - 13.6 Ma
Miocene
Protohippus perditus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Protohippus : Protohippus perditus15.97 - 13.6 Ma
Miocene
Hypohippus osborni
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hypohippus : Hypohippus osborni15.97 - 13.6 Ma
Miocene
Hypolagus parviplicatus
species
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Hypolagus : Hypolagus parviplicatus15.97 - 13.6 Ma
Miocene
Leptarctus primus
species
Animalia : Chordata : Mammalia : Carnivora : Mustelidae : Leptarctus : Leptarctus primus15.97 - 13.6 Ma
Miocene
Megahippus mckennai
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Megahippus : Megahippus mckennai15.97 - 13.6 Ma
Miocene
Megasminthus tiheni
species
Animalia : Chordata : Mammalia : Rodentia : Dipodidae : Megasminthus : Megasminthus tiheni15.97 - 13.6 Ma
Miocene
Pliohippus mirabilis
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Pliohippus : Pliohippus mirabilis15.97 - 13.6 Ma
Miocene
Ustatochoerus medius
species
Animalia : Chordata : Mammalia : Artiodactyla : Merycoidodontidae : Ustatochoerus : Ustatochoerus medius15.97 - 13.6 Ma
Miocene
Metechinus amplior
species
Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Metechinus : Metechinus amplior15.97 - 13.6 Ma
Miocene
Parapliosaccomys annae
species
Animalia : Chordata : Mammalia : Rodentia : Geomyidae : Parapliosaccomys : Parapliosaccomys annae15.97 - 13.6 Ma
Miocene
Parvericius montanus
species
Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Parvericius : Parvericius montanus15.97 - 13.6 Ma
Miocene
Peraceras superciliosum
species
Animalia : Chordata : Mammalia : Perissodactyla : Rhinocerotidae : Peraceras : Peraceras superciliosum15.97 - 13.6 Ma
Miocene
Perognathus brevidens
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathus : Perognathus brevidens15.97 - 13.6 Ma
Miocene
Perognathus trojectioansrum
species
Animalia : Chordata : Mammalia : Rodentia : Heteromyidae : Perognathus : Perognathus trojectioansrum15.97 - 13.6 Ma
Miocene
Copemys longidens
species
Animalia : Chordata : Mammalia : Rodentia : Cricetidae : Copemys : Copemys longidens15.97 - 13.6 Ma
Miocene
Protolabis gracilis
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Protolabis : Protolabis gracilis15.97 - 13.6 Ma
Miocene
Procamelus occidentalis
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Procamelus : Procamelus occidentalis15.97 - 13.6 Ma
Miocene
Aepycamelus robustus
species
Animalia : Chordata : Mammalia : Artiodactyla : Camelidae : Aepycamelus : Aepycamelus robustus15.97 - 13.6 Ma
Miocene
Prosthennops xiphodonticus
species
Animalia : Chordata : Mammalia : Artiodactyla : Tayassuidae : Prosthennops : Prosthennops xiphodonticus15.97 - 13.6 Ma
Miocene
Calippus placidus
species
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Calippus : Calippus placidus15.97 - 13.6 Ma
Miocene
Pseudaelurus intrepidus
species
Animalia : Chordata : Mammalia : Carnivora : Felidae : Pseudaelurus : Pseudaelurus intrepidus15.97 - 13.6 Ma
Miocene
Pseudaelurus marshi
species
Animalia : Chordata : Mammalia : Carnivora : Felidae : Pseudaelurus : Pseudaelurus marshi15.97 - 13.6 Ma
Miocene
Schaubeumys cartomylos
species
Animalia : Chordata : Mammalia : Rodentia : Zapodidae : Schaubeumys : Schaubeumys cartomylos15.97 - 13.6 Ma
Miocene
Tetrabelodon osborni
species
Animalia : Chordata : Mammalia : Proboscidea : Gomphotheriidae : Gomphotherium : Tetrabelodon osborni15.97 - 13.6 Ma
Miocene
Untermannerix copiosus
species
Animalia : Chordata : Mammalia : Erinaceomorpha : Erinaceidae : Untermannerix : Untermannerix copiosus15.97 - 13.6 Ma
Miocene
Equinae
subfamily
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equinae15.97 - 13.6 Ma
Miocene
Hipparionini
tribe
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Hipparionini15.97 - 13.6 Ma
Miocene
Equini
tribe
Animalia : Chordata : Mammalia : Perissodactyla : Equidae : Equini15.97 - 13.6 Ma
Miocene
Marmotini
tribe
Animalia : Chordata : Mammalia : Rodentia : Sciuridae : Marmotini15.97 - 13.6 Ma
Miocene
Archaeolaginae
subfamily
Animalia : Chordata : Mammalia : Lagomorpha : Leporidae : Archaeolaginae15.97 - 13.6 Ma
Miocene
Glyptemys valentinensis
species
Animalia : Chordata : Reptilia : Testudines : Emydidae : Glyptemys : Glyptemys valentinensis15.97 - 13.6 Ma
Miocene
Fossil LocalitiesClick to show 1 fossil locality

Other Databases

Wikipedia:https://en.wikipedia.org/wiki/Boyd_County,_Nebraska
Wikidata ID:Q484279
GeoNames ID:5064500


This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.
 
and/or  
Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: October 21, 2026 07:39:54 Page updated: August 22, 2025 16:06:29
Go to top of page