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Omeka Image File
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https://geosciencecollections.milne-library.org/files/original/8be1fb459f62f66a2fbf988a4a340f74.JPG
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Omeka Image File
The metadata element set that was included in the `files_images` table in previous versions of Omeka. These elements are common to all image files.
Width
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Omeka Image File
The metadata element set that was included in the `files_images` table in previous versions of Omeka. These elements are common to all image files.
Width
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Bit Depth
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Dublin Core
The Dublin Core metadata element set is common to all Omeka records, including items, files, and collections. For more information see, http://dublincore.org/documents/dces/.
Title
A name given to the resource
(SFM) Igneous Suite -- St. Francois Mountains, Southeastern Missouri
Description
An account of the resource
This collection is composed of igneous volcanic and intrusive rocks from the St. Francois Mountains of Missouri. The variation within the collection can be used to explain the geologic history of the area. The St. Francois Mountains batholith was formed by granitic intrusions into Precambrian rhyolites, tuffs, and breccias. Then basalt, diabase, and porphyritic intrusions cut the granitoids.
Contributor
An entity responsible for making contributions to the resource
Western Minerals, Inc.
References
A related resource that is referenced, cited, or otherwise pointed to by the described resource.
Start here:Â <br /><br />Bickford, M.E. and Mose, D.G., 1974, Geochronology of Precambrian rocks, St. Francois Mountains, South eastern Missouri: GSA Special Papers 1975, v. 165, p. 1-48 doi: <a href="http://dx.doi.org/10.1130/SPE165-p1" target="_blank">http://dx.doi.org/10.1130/SPE165-p1<br /></a><br /><ul><li>Early study of the geochronology of the Precambrian rocks within the St. Francois mountains. Provides further insight upon the sequence discussed in the dscription.</li>
</ul><br />Meert, J.G. and Stuckey, W., 2002, Revisiting the paleomagnetism of the 1.476 Ga St. Francois Mountains igneous province, Missouri: Tectonics v. 21, Issue 2, p. 1-19 doi: <a href="http://dx.doi.org/10.1029/2000TC001265%20" target="_blank">http://dx.doi.org/10.1029/2000TC001265 <br /></a><br /><ul><li>Information acquired from paleomagnestism studies of the St. Francois igneous provence has proven fruitful for determining an acient paleomagnetic pole for Laurentia. </li>
</ul><br />Menuge, J.F, Brewer, T.S., and Seeger, C.M., 2002, Petrogenesis of metaluminous A-type rhyolites from the St. Francois Mountains, Missouri and the Mesoproterozoic evolution of the southern Laurentian Margin: Precambrian Research, volume 113, issues 3-4, p. 269-291 doi: <a href="http//dx.doi.org/10.1016/S0301-9268(01)00211-X%20" target="_blank">http//dx.doi.org/10.1016/S0301-9268(01)00211-X </a><br /><br /><ul><li>Trace elemental analysis of Precambrian rocks from the SFM provide insight into the condition of crystallization and the elemental constituents which played a role into the interesting history of this rhyolitic provence. </li>
</ul><br />Rohs, R. C, and Van Schmus, W.R., 2006, Isotopic connection between basement rocks exposed in the St. Francois Mountains and the arbucks Mountains southern mid-continent, North America: International Journal of Earth Sciences, volume 96, Issue 4, p. 599-611 <br />doi: <a href="http://dx.doi.org/10.1007/s00531-006-0123-5" target="_blank">http://dx.doi.org/10.1007/s00531-006-0123-5<br /></a>
<ul><li><span style="color:#000000;">Radiometric study of the SFM provence and the Arbuckle mountains of southern Oklahoma suggests a common source. </span></li>
</ul><br />Wenner, D. and Taylor Jr., H.P., 1976, Oxygen and hydrogen isotope studies of a Precambian granite-rhyolite terrane, ST. Francois Mountains, southeastern Missouri: Geological Society of America bulletin v. 87, no. 11, p.1587-1598 <br />doi: <a href="http://dx.doi.org/10.1130/0016-7606" target="_blank">http://dx.doi.org/10.1130/0016-7606<br /></a>
<ul><li>Isotopic analysis of oxygen isotope content within mineral grains within the Precambrian rhyolitic rocks of the SFM yields data that suggests Precambrian oceans were similar to modern day meteoric oceans.</li>
</ul>
Accrual Method
The method by which items are added to a collection.
Purchased from Western Minerals Inc.
Spatial Coverage
Spatial characteristics of the resource.
St. Francois Mountains, Ozark region of Southeastern Missouri
Temporal Coverage
Temporal characteristics of the resource.
Precambrian (1.476 Ga)
Date
A point or period of time associated with an event in the lifecycle of the resource
January 20, 1969
Rock
A physical material with a mineral composition.
Number of Thin Sections
Number of thin sections associated with this sample
1
Dublin Core
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Title
A name given to the resource
Medium Coarse Grained Adamellite
Alternative Title
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Quartz Monzonite
Description
An account of the resource
Hand Sample: Holocrystalline, phaneritic, fine-to-medium-grained quartz monzonite. Mineralogy includes large plagioclase laths up to 8mm in length, quartz, alkali feldspar, biotite. Very large crystals of a dark material up to 3cm in length. Weathering to dark yellowish black and brown. Very thin vein of dark material with thermal alteration on either side.
Thin Section, XPL: Euhedral medium-grained plagioclase crystals and subhedral medium-grained quartz crystals with smaller percentages of subhedral medium-grained diopside and fine-grained biotite crystals. quartz 60%, alkali 10%, biotite 30%
Date
A point or period of time associated with an event in the lifecycle of the resource
1/20/1969
Is Part Of
A related resource in which the described resource is physically or logically included.
<a href="http://www.geosciencecollections.milne-library.org/collections/show/15"> St. Francois Mountains Suite </a>
Identifier
An unambiguous reference to the resource within a given context
SFM-6
Spatial Coverage
Spatial characteristics of the resource.
St. Francois Mtns. Batholith, Missouri
Contributor
An entity responsible for making contributions to the resource
Western Minerals, Inc.
Accrual Method
The method by which items are added to a collection.
Purchased from Western Minerals, Inc.