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Rock field book no. 16001-18850

view Rock field book no. 16001-18850 digital asset number 1
Alternate Title:
Plants collected in N.W. Yunnan and south-west Szechuan Muli and [Kouka] by Joseph F. Rock
Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Fieldbook record
Object Type:
Field notes
Place:
Sichuan
Yunnan
China
Date Range:
1928-1929
Start Date:
19280524
End Date:
19291123
Abstract:
The field book documents Joseph Rock's botanical collecting efforts in China from May 1928 to November 1929. The book is comprised of a list of primarily floral specimens numbered 16001-18530. Entries typically list only scientific name, nearby location name and elevation, and height and color of specimen. The book is arranged chronologically by month.
Topic:
Botany
Botanists
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI558
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Rock field book no. 8035-9999

view Rock field book no. 8035-9999 digital asset number 1
Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Fieldbook record
Object Type:
Field notes
Place:
China
Date Range:
1923
Start Date:
19230315
End Date:
19230800
Abstract:
The field book documents Joseph Rock's botanical collecting efforts in China from March 1923 to August 1923. The book is comprised of a list of floral specimens numbered 8035-9999. Entries typically include genus but not species. Particular attention is paid to Rhododendron specimens. Location is described by nearby place name and elevation in feet. Specimens are described by height and color. Unidentified specimens are described as monocot, dicot, or composite. The book is arranged chronologically by month.
Topic:
Botany
Botanists
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI573
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Joseph Francis Rock, field notes, 1920-1929

Extent:
10 field books
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Collection record
Place:
China
Burma
India (Assam)
Thailand
Singapore
Tibet
Date Range:
1920-1929
Description:
This collection, also referred to as the Rock specimen catalog, is related to a larger collection consisting chiefly of photographs of landscapes and plants taken by Rock on collecting trips to China and Tibet from 1922-1929. The specimen catalogs and field notes that comprise this collection were written by Rock during his botanical collecting efforts in China, Tibet, Thailand, Assam and Myanmar.The field notes consist of 7 bound volumes and 1 document box containing three unbound field books. 5 bound volumes and one unbound volume document Rock's work collecting botanical specimens in China and Tibet. Two bound volumes and one unbound volume document Rock's collecting efforts in China, Thailand, Myanmar, and Assam, a current province of India.
Topic:
Ranunculaceae
Ericaceae
Brassicaceae
Liliaceae
Brunelliaceae
Geraniaceae
Fumariaceae
Saxifragaceae
Plantae
Buttercup
Heather
Mustard flowers
Lilies
Pinneapple
Fumitory
Saxifrage
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records associated with this collector:
Rock, Joseph Francis Charles, 1884-1962
See more records from this field book collection:
Joseph Francis Rock, field notes, 1920-1929
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_coll_NCDC5

Catalogue of the Hampton Institute. 1886-87.

view <I>Catalogue of the Hampton Institute. 1886-87.</I> digital asset number 1
Created by:
Hampton University, American, founded 1868
Medium:
ink on paper
Dimensions:
H x W: 9 x 5 3/4 in. (22.9 x 14.6 cm)
Type:
yearbooks
Place depicted:
Hampton, Virginia, United States, North and Central America
Date:
1887
Description:
A yearbook for the Hampton Institute. The yearbook consists of black print on paper. The cover is pinkish brown with visible blue fibers. There are no photographs of the listed students. The interior contains forty-six pages.
Transcription Center Status:
Transcribed by digital volunteers
Topic:
African American
Education
Credit Line:
Collection of the Smithsonian National Museum of African American History and Culture
Object number:
2010.54.2
Rights:
No Known Copyright Restrictions
See more items in:
National Museum of African American History and Culture Collection
Classification:
Documents and Published Materials-Published Works
Data Source:
National Museum of African American History and Culture
EDAN-URL:
edanmdm:nmaahc_2010.54.2
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Joseph Francis Charles Rock Field Books, 1920-1929

Creator:
Rock, Joseph Francis Charles 1884-1962
Subject:
Rock, Joseph Francis Charles 1884-1962
Field Book Project (Washington, D.C.)
Physical description:
0.87 cu. ft. (0.87 non-standard size boxes)
Type:
Field notes
Collection descriptions
Date:
1920
1920-1929
Summary:
This collection, also referred to as the Rock specimen catalog, is related to a larger collection consisting chiefly of photographs of landscapes and plants taken by Joseph Francis Charles Rock on collecting trips to China and Tibet from 1922-1929. The specimen catalogs and field notes that comprise this collection were written by Rock during his botanical collecting efforts in China, Tibet, Thailand, Assam and Myanmar. The field notes consist of seven bound volumes and one document box containing three unbound field books. Five bound volumes and one unbound volume document Rock's work collecting botanical specimens in China and Tibet. Two bound volumes and one unbound volume document Rock's collecting efforts in China, Thailand, Myanmar, and Assam, a current province of India.
Topic:
Botany
Plants
Local number:
SIA Acc. 11-094
See more items in:
Field Book Project 1855-2008
Data Source:
Smithsonian Institution Archives
EDAN-URL:
edanmdm:siris_arc_306998

Joseph Francis Charles Rock Field Notes, 1929-1940

Creator:
Rock, Joseph Francis Charles 1884-1962
Subject:
Rock, Joseph Francis Charles 1884-1962
Physical description:
0.43 cu. ft. (0.43 non-standard size boxes)
Type:
Field notes
Collection descriptions
Date:
1929
1929-1940
Summary:
This collection contains one field book and one folder by Joseph Francis Charles Rock, originally maintained by the Division of Birds. These items consist mainly of field catalogs of bird specimens collected in Southeast Asia. Some localities include China, Thailand, and Annam. The dates range from 1929-1940, and entries include information on specimens such as sex, locality collected, physical measurements, and altitudes. There are also some hand-drawn maps and correspondence, as well as a number of typed general notes.
Topic:
Ornithology
Local number:
SIA Acc. 12-469
See more items in:
Field Book Project 1855-2008
Data Source:
Smithsonian Institution Archives
EDAN-URL:
edanmdm:siris_arc_363635

Joseph Francis Charles Rock Field Notes from the Division of Birds

Extent:
4 items
Physical Location:
National Museum of Natural History (U.S.). Division of Birds
Record type:
Collection record
Place:
China
Thailand
Annam
Date Range:
1929-1940
Description:
This collection contains 1 field book and 1 folder by Joseph Francis Charles Rock, originally maintained by the Division of Birds. These items consist mainly of field catalogs of bird specimens collected in Southeast Asia. Some localities include China, Thailand, and Annam. The dates range from 1929-1940, and entries include information on specimens such as sex, locality collected, physical measurements, and altitudes. There are also some hand-drawn maps and correspondence, as well as a number of typed general notes.
Topic:
Aves
Animalia
Birds
Accession #:
SIA Acc. 12-469
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Division of Birds at (202) 633-0800 to make an appointment.
See more records associated with this collector:
Rock, Joseph Francis Charles, 1884-1962
See more records from this field book collection:
Joseph Francis Charles Rock Field Notes from the Division of Birds
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_coll_NCDC497

Rock field book no. 10000-11919

Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Fieldbook record
Object Type:
Field notes
Place:
China
Date Range:
1923-1924
Start Date:
19230600
End Date:
19240300
Abstract:
The field book documents Joseph Rock's botanical collecting efforts in China from June 1923-March 1924. The book is comprised of a list of floral, grass, shrub and tree specimens numbered 10000-11745. Entries typically list genus but not species. Location is described by nearby place name and elevation in feet. The specimen is described by height,and color. Specimens of unknown genus are described as monocot, dicot, and composite. The book is arranged chronologically by month.
Topic:
Botany
Botanists
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI563

Rock field book no. 3801-5700

Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Fieldbook record
Object Type:
Field notes
Place:
China
Date Range:
1922
Start Date:
19220524
End Date:
19220817
Abstract:
The field book documents Joseph Rock's botanical collecting efforts in China from May-August 1922. The book is comprised of a list of floral specimens numbered 3801-5700. Entries typically list genus but not species. Particular attention is paid to Rhododendron and Delphinium, specimens. Location is described by nearby place name and elevation in feet. The specimens are described by height and color. Unidentified specimens are described as monocot, dicot, or composite. The book is arranged chronologically by month.
Topic:
Botany
Botanists
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI574

Rock field book no. 1528-3800

Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Fieldbook record
Object Type:
Field notes
Place:
China
Date Range:
1920-1922
Start Date:
19201000
End Date:
19220524
Abstract:
The field book documents Joseph Rock's botanical collecting efforts in China from October 1920-May 1922. It contains few entries from 1920 and 1921 and primarily consists of entries dated 1922. The book is list of floral specimens numbered 1528-3800. Entries typically list genus but not species. Location is described by name and elevation. The specimens are described by height and color. Unidentified specimens are described as monocot, dicot, or composite. The book is arranged chronologically by month. The book contains additional information written in Chinese characters.
Topic:
Botany
Botanists
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI575

Rock field book no. 1-950

Alternate Title:
Notes on plants collection by J.F. Rock in Siam, Burma & Assam
Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Record type:
Fieldbook record
Object Type:
Field notes
Place:
Thailand
Myanmar
Assam
Date Range:
1920-1921
Start Date:
1920
End Date:
1921
Abstract:
This notebook contains a sparse list of specimens numbered 1-950 that Rock collected from Thailand, Myanmar and Assam from 1920-1921. Most entries lack a description of physical characteristics of specimens and are without geographic location of collection places in most cases. The notebook entries are undated. Data is entered only for select numbers and a typed list is provided as an unbound list in the front of the volume. Dates and place names are inferred from this list.
Topic:
Botany
Botanists
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI580

Richard E. Blackwelder Papers, 1926-1964

view Richard E. Blackwelder Papers, 1926-1964 digital asset number 1
Creator:
Blackwelder, Richard E
Subject:
Blackwelder, Ruth M
Blackwelder, Richard E
Walter Rathbone Bacon Travelling Scholarship Expedition (1928-1930: West Indies)
Physical description:
1 cu. ft. (1 record storage box)
Type:
Black-and-white photographs
Collection descriptions
Manuscripts
Field notes
Date:
1926
1926-1964
Summary:
Richard E. Blackwelder received a doctorate in entomology from Stanford University in 1934. The following year he received the Walter Rathbone Bacon Traveling Scholarship, which enabled him to conduct field work on the beetles of the West Indies from 1935 to 1938. These papers consist of journals from Blackwelder's field work in the West Indies while he was recipient of the Walter Rathbone Bacon Traveling Scholarship (1935-1938); journals of his wife, Ruth M. Blackwelder, from the same period; notebooks from his research in museums in the United States and England; a notebook listing species in his personal collection; a notebook containing recollections on entomologists met by Blackwelder; a journal kept on field trips to the American west, 1960, 1962, 1964; and an album of photographs from his field work in the West Indies. For field notes from Blackwelder's West Indies work see Record Unit 7156.
Topic:
Entomology
Local number:
SIA Acc. 96-099
Data Source:
Smithsonian Institution Archives
EDAN-URL:
edanmdm:siris_arc_217847
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Humble Magnesium Could Be Powering Earth's Magnetic Field

view Humble Magnesium Could Be Powering Earth's Magnetic Field digital asset number 1
Creator:
Smithsonian Magazine
Type:
Blog posts
Smithsonian staff publications
Blog posts
Published Date:
Wed, 20 Jan 2016 18:07:11 +0000
Blog Post Category:
Articles
Science
Our Planet
Description:

Without Earth's magnetic field, migrating animals lose their way and navigation for everything from ships to Boy Scouts is rendered useless. But despite its importance, the process that powers the planet's magnetic field remains a mystery. Ideas abound, but none of them can account for the age of Earth's magnetic field. Now, a new study may have the key to this inconsistency: humble magnesium.

The churning of Earth's molten core generates electrical currents that produce the planet's magnetic field in a process called a dynamo.

"If you didn't have these churning motions, the magnetic field of Earth would decay, and it would die in about ten million years," says Joseph O'Rourke, a postdoctoral researcher at the California Institute of Technology in Pasadena.

But what powers this motion is unclear. Slow solidification of Earth's inner core and radioactive decay—two of the leading hypotheses—don't produce enough energy to power the magnetic field for as long as it's been around.

Rock records indicate the Earth's magnetic field is at least 3.4 billion years old, and perhaps as old as 4.2 billion years. Cooling the inner core would only provide about a billion years worth of energy for the magnetic field. And there just isn't enough radioactive material in Earth's core for the decay hypothesis to work, says Francis Nimmo, a planetary scientist at the University of California, Santa Cruz.

In a new study, published in this week's issue of the journal Nature, O'Rourke and David Stevenson, a planetary scientist at Caltech, propose a new chemical mechanism for setting up buoyancy differences in Earth's interior to drive the geodynamo.

Using computer models, the pair showed that in the aftermath of giant impacts that bombarded early Earth, a small amount of the element magnesium could have become dissolved in the iron-rich core.

"Earth formed in a series of really violent, giant collisions that could have heated the mantle to temperatures as high as 7,000 Kelvin [12,140 degrees Fahrenheit]," O'Rourke says. "At those temperatures, elements that don't normally [mix with] iron, like magnesium, will go into iron."

But because magnesium is only soluble in iron at high temperatures, as Earth's core cools, the magnesium will precipitate, or "snow out," of the outer core as magnesium-rich alloys. Those alloys get transported up to the core-mantle boundary.

"When you pull magnesium-rich alloy out of the core, what's left behind is denser," O'Rourke says. Concentrating mass like that releases gravitational energy that could serve as an alternative power source for the dynamo, he explains.

According to O'Rourke and Stevenson, their magnesium precipitate mechanism could have powered the geodynamo for billions of years until the inner core began to cool and solidify, which current estimates suggest happened about a billion years ago. At that point, the two processes could have begun working in tandem to power Earth's magnetic field, O'Rourke says.

"Magnesium precipitation could drive [iron] convection from the top of the core, whereas the release of light elements from the inner core [from solidification] could drive convection from the bottom," he says.

Planetary scientist Nimmo, who was not involved in the study, says he likes the magnesium precipitation hypothesis because it makes only two assumptions: That Earth gets hot during a giant impact, and that during a giant impact, the metallic core of the impactor gets exposed to silicate mantle material.

"​Assumption one is hard to argue with, though exactly how hot it gets is uncertain," says Nimmo. Assumption two is a bit less secure, he says, but most scientists agree that as rocky bodies collided with early Earth, some elements from those impactors, such as magnesium, would get transferred to the mantle. "Once you make those two assumptions, everything else follows naturally."

Now, Nimmo says, all we need are experiments to test O'Rourke and Stevenson's ideas. "Their study is based mainly on computational predictions of how magnesium should partition as a function of temperature," Nimmo says.

Some researchers are already working on those experiments, so it may only be a matter of time before scientists zero in on what makes Earth's magnetic field tick.

“Our process could explain not only how the dynamo worked in the past,” O’Rourke says, “but [how] it could still be operating today."

Topic:
0
See more post:
Smithsonian Article Database
Data Source:
Smithsonian Magazine
EDAN-URL:
edanmdm:posts_089b06ae3f508af47ff29410740c1803

Andesite

view Andesite digital asset number 1
Expedition:
Yellowstone Park Survey
Collector:
Joseph P. Iddings
Taxon:
Andesite - Primary
Hornblende - Associated Mineral
Mica - Associated Mineral
Place:
"Contact rock East slope of Mt. Doane", Wyoming, United States
Specimen Count:
1
Record Last Modified:
26 Oct 2017
Other Numbers:
Collector's field number : 3166
IGSN : NHB004R94
USNM Number:
91322
See more items in:
Petrology & Volcanology
Rock & Ore Collections
Volcanological Reference Collection
Mineral Sciences
Data Source:
NMNH - Mineral Sciences Dept.
EDAN-URL:
edanmdm:nmnhmineralsciences_1348221

Rock, 1928-1929

Collection name:
Joseph Francis Rock, field notes, 1920-1929
Physical Description:
1 field book
Physical Location:
National Museum of Natural History (U.S.). Main Library
Sublocation:
Box 1 Folder 1
Record type:
Fieldbook record
Object Type:
Field notes
Place:
China
Date Range:
1928-1941, 1980
Start Date:
1928
End Date:
1980
Abstract:
This item contains correspondence, identification lists, and determination lists for botanical specimens Rock collected from 1928-1929 in China. Correspondence is related to Rock's specimens, is dated from 1940-1941 and 1980, and includes the following correspondents: William R. Maxon, E. D. Merril, A. C. Smith, Herbert L. Mason, Division of Plants, and E. H. Walker. The document "Identifications of Rock's specimens sent to University of California by E. H. Walker, U.S. Herbarium", numbers 3009-11552, is included. Also included is a determination list for Rock's specimens, numbered 16001-18530.
Topic:
Botany
Accession #:
SIA Acc. 11-094
Access Information:
At least 24 hours advance notice is recommended to consult this collection. Contact the Department of Botany at 202-633-0920 to make an appointment.
See more records from this collection:
Joseph Francis Rock, field notes, 1920-1929
See more records associated with this person:
Rock, Joseph Francis Charles, 1884-1962
Data Source:
Smithsonian Field Book Project
EDAN-URL:
edanmdm:fbr_item_MODSI2855

Andesite

view Andesite digital asset number 1
Expedition:
Yellowstone Park Survey
Collector:
Joseph P. Iddings
Taxon:
Andesite - Primary
Hornblende - Associated Mineral
Place:
"Dike on ridge N. of Atkins Pk", Wyoming, United States
Specimen Count:
1
Record Last Modified:
26 Oct 2017
Other Numbers:
Collector's field number : 3108
IGSN : NHB004R8V
USNM Number:
91322
See more items in:
Petrology & Volcanology
Rock & Ore Collections
Volcanological Reference Collection
Mineral Sciences
Data Source:
NMNH - Mineral Sciences Dept.
EDAN-URL:
edanmdm:nmnhmineralsciences_1348212

Andesite

view Andesite digital asset number 1
Expedition:
Yellowstone Park Survey
Collector:
Joseph P. Iddings
Taxon:
Andesite - Primary
Hornblende - Associated Mineral
Place:
"Dike in ridge N. from Atkins Pk", Wyoming, United States
Specimen Count:
1
Record Last Modified:
26 Oct 2017
Other Numbers:
Collector's field number : 3107
IGSN : NHB004R8U
USNM Number:
91322
See more items in:
Petrology & Volcanology
Rock & Ore Collections
Volcanological Reference Collection
Mineral Sciences
Data Source:
NMNH - Mineral Sciences Dept.
EDAN-URL:
edanmdm:nmnhmineralsciences_1348211

Andesite

view Andesite digital asset number 1
Expedition:
Yellowstone Park Survey
Collector:
Joseph P. Iddings
Taxon:
Andesite - Primary
Hornblende - Associated Mineral
Place:
"Dike on ridge N. from Atkins Peak", Wyoming, United States
Specimen Count:
1
Record Last Modified:
26 Oct 2017
Other Numbers:
Collector's field number : 3103
IGSN : NHB004R8Q
USNM Number:
91322
See more items in:
Petrology & Volcanology
Rock & Ore Collections
Volcanological Reference Collection
Mineral Sciences
Data Source:
NMNH - Mineral Sciences Dept.
EDAN-URL:
edanmdm:nmnhmineralsciences_1348207

Andesite

view Andesite digital asset number 1
Expedition:
Yellowstone Park Survey
Collector:
Joseph P. Iddings
Taxon:
Andesite - Primary
Hornblende - Associated Mineral
Place:
"Contact & segregations in ridge N. from Atkins Pk.", Wyoming, United States
Specimen Count:
0
Record Last Modified:
26 Oct 2017
Other Numbers:
Collector's field number : 3105
IGSN : NHB004R8S
USNM Number:
91322
See more items in:
Petrology & Volcanology
Rock & Ore Collections
Volcanological Reference Collection
Mineral Sciences
Data Source:
NMNH - Mineral Sciences Dept.
EDAN-URL:
edanmdm:nmnhmineralsciences_1348209

Andesite

view Andesite digital asset number 1
Expedition:
Yellowstone Park Survey
Collector:
Joseph P. Iddings
Taxon:
Andesite - Primary
Hornblende - Associated Mineral
Place:
"Dike in ridge N. from Atkins Pk.", Wyoming, United States
Specimen Count:
1
Record Last Modified:
26 Oct 2017
Other Numbers:
Collector's field number : 3106
IGSN : NHB004R8T
USNM Number:
91322
See more items in:
Petrology & Volcanology
Rock & Ore Collections
Volcanological Reference Collection
Mineral Sciences
Data Source:
NMNH - Mineral Sciences Dept.
EDAN-URL:
edanmdm:nmnhmineralsciences_1348210

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