https://bereket-haileab.geology.sites.carleton.edu/files/original/5df97fd2ae4cf1624cdbd708345174bc.jpg 34c56b5bb52b264b8dfb9fe4f7b06973 https://bereket-haileab.geology.sites.carleton.edu/files/original/df8c96bc0dae46d4c249147f76178936.jpg 83f4ceb412f477d7c95f5586c4da6e0e 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 Metamorphic Rocks Subject The topic of the resource This collection includes slates, phyllites, schists, gneisses, eclogites, marbles, quartzites, skarns, granulites, and mylonites. Creator An entity primarily responsible for making the resource Bereket Haileab Source A related resource from which the described resource is derived Housed in Anderson Hall, Carleton College. Format The file format, physical medium, or dimensions of the resource Thin sections, thin section scans, hand samples, hand sample images, photomicrographs, chemical analyses (major elements, trace elements and REE analyses for selected samples). 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 BH250-37c Subject The topic of the resource Blue Calcite Description An account of the resource BH250-37c is a blue calcite from the Crestmore Quarry district of Riverside County, California. The specimen consists predominantly of coarse crystalline calcite exhibiting excellent rhombohedral cleavage, vitreous luster, and the characteristic pale- to deep-blue coloration for which Crestmore is renowned. The Crestmore deposit formed within magnesium-rich limestone that was subjected to intense contact metamorphism during intrusion of granodioritic and related magmas. Heat and chemically active fluids recrystallized the original limestone into marble and produced one of the most mineralogically diverse skarn localities in North America. The blue calcite commonly occurs with minerals such as monticellite, vesuvianite, wollastonite, grossular garnet, diopside, scapolite, and numerous other contact-metamorphic minerals. More than two hundred mineral species have been reported from the Crestmore district, several of which were first recognized or extensively studied there. The specimen demonstrates the effects of contact metamorphism on carbonate rocks and serves as an introduction to skarn mineralization, fluid-rock interaction, and the development of metamorphic mineral assemblages. Creator An entity primarily responsible for making the resource Bereket Haileab Contributor An entity responsible for making contributions to the resource Bereket Haileab Coverage The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant Riverside County, California GPS coordinates: 34.0171° N, 117.3983° W Date A point or period of time associated with an event in the lifecycle of the resource October 2023 Type The nature or genre of the resource Hand sample and thin section Relation A related resource <iframe width="100%" height="480" src="https://drive.google.com/file/d/1hDAqS0anXN9YD052GsM0G-hOhSxJ0Dwq/preview" allow="autoplay"></iframe><iframe width="100%" height="480" src="https://drive.google.com/file/d/1LAOvL5hI1bfJFI2ldYpNSRShAqBUe0MO/preview" allow="autoplay"></iframe><iframe width="100%" height="480" src="https://drive.google.com/file/d/1LAQhpMadio5Wh5neauJDpdc7GkDGM3WD/preview" allow="autoplay"></iframe> Blue Calcite Calc-Silicate Minerals Calcite Contact Metamorphic Deposit contact metamorphism Crestmore Blue Calcite Crestmore Quarry Diopside Fluid-rock interaction Fluorellestadite Fluorescent Minerals Grossular Garnet Hydrothermal alteration Jurupa Valley Marble-Hosted Mineral metasomatism Monticellite rhombohedral cleavage Riverside County Scapolite skarn Sky Blue Hill Spinel Vesuvianite Vitreous Luster Wollastonite