11 10 264 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/. Description An account of the resource This glossary describes a number of geological terms with which the 1A students should become familiar.<span> It is by no means an exhaustive list, but is aimed to help you understand the material within the first year course.</span> Title A name given to the resource Glossary 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 <h2>Lamellar twinning</h2> Subject The topic of the resource <span>Many parallel twins can be produced within one mineral grain by multiple parallel twin planes. This is known as lamellar twinning. It is a diagnostic characteristic of plagioclase feldspar, and is sometimes referred to as <a href="https://wserv3.esc.cam.ac.uk/p1acollections/items/show/168">albite twinning</a>.</span> 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/. Description An account of the resource This glossary describes a number of geological terms with which the 1A students should become familiar.<span> It is by no means an exhaustive list, but is aimed to help you understand the material within the first year course.</span> Title A name given to the resource Glossary 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 <h2>Albite twinning</h2> Subject The topic of the resource <span>Named after albite (Na-plagioclase) twinning on the (010) crystallographic plane.<br />See </span><a href="https://wserv3.esc.cam.ac.uk/p1acollections/items/show/169">lamellar twinning</a><span>.</span> 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/. Description An account of the resource This glossary describes a number of geological terms with which the 1A students should become familiar.<span> It is by no means an exhaustive list, but is aimed to help you understand the material within the first year course.</span> Title A name given to the resource Glossary 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 <h2>Aeolian</h2> Subject The topic of the resource <span>Relating to or arising from the action of the wind; aeolian sediments are wind-blown. Also spelt eolian.</span> Description An account of the resource Have a look at the ferruginous arenite sandstone (<a href="https://wserv3.esc.cam.ac.uk/p1acollections/items/show/25">L326</a>) in the 1A Reference Series. 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/. Description An account of the resource This glossary describes a number of geological terms with which the 1A students should become familiar.<span> It is by no means an exhaustive list, but is aimed to help you understand the material within the first year course.</span> Title A name given to the resource Glossary 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 <h2>Adamantine [lustre]</h2> Subject The topic of the resource <span>Minerals displaying a diamond-like lustre are described as adamantine. These minerals are transparent or translucent and have very high refractive indices, producing the high degree of lustre. Zeolites, for example, have adamantine lustre.</span> 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/. Description An account of the resource This glossary describes a number of geological terms with which the 1A students should become familiar.<span> It is by no means an exhaustive list, but is aimed to help you understand the material within the first year course.</span> Title A name given to the resource Glossary 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 <h2>Acicular</h2> Subject The topic of the resource Acicular means needle-shaped. The term is usually applied to crystal form. https://wserv3.esc.cam.ac.uk/p1acollections/files/original/5d8749bb45f0bc11ae40c94e6eeb7140.png be7238e2a0be96bb5142e45acee56b6b https://wserv3.esc.cam.ac.uk/p1acollections/files/original/ad1612fef3566e323dc6f59249ad5f25.png 50ace869ab6a7c3c5c24e4b3e93eff63 Physical Object An inanimate, three-dimensional object or substance. Note that digital representations of, or surrogates for, these objects should use Moving Image, Still Image, Text or one of the other types. 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 <h2><strong>TF0625<br /></strong></h2> <h2>Acaste downingiae</h2> Description An account of the resource <div class="element"> <h3>Species</h3> <div class="element-text">Acaste downingiae</div> </div> <div class="element"> <h3>Stratigraphic Range</h3> <div class="element-text">Silurian to Devonian</div> </div> <div class="element"> <h3>Taxonomy</h3> <div class="element-text">Phylum: Arthropoda<br />Class: Trilobita<br />Order: Phacopida<br />Family: Acastidae<br />Genus: Acaste</div> </div> <div class="element"> <h3>Distinctive Features</h3> <div class="element-text">Glabella (with ridges)<br />Eyes<br />Cephalon<br />Thorax<br />Pygidium</div> </div> <div class="element"> <h3>Preservation</h3> <div class="element-text">External mould (manmade cast)</div> </div> eyes https://wserv3.esc.cam.ac.uk/p1acollections/files/original/d0527b2dd1151588ab4339ca67dc78a8.png 78617765bcb040e765ccec12dbe324b2 https://wserv3.esc.cam.ac.uk/p1acollections/files/original/1cf17ec7464f3135e0397a7c30132332.png 8252443aeb043d08db0667cc0b33ec19 Physical Object An inanimate, three-dimensional object or substance. Note that digital representations of, or surrogates for, these objects should use Moving Image, Still Image, Text or one of the other types. 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 <h2><strong>TF0624<br /></strong></h2> <h2>Homalonotus delphinocephalus</h2> Description An account of the resource <div class="element"> <h3>Species</h3> <div class="element-text">Homalonotus delphinocephalus</div> </div> <div class="element"> <h3>Stratigraphic Range</h3> <div class="element-text">Silurian</div> </div> <div class="element"> <h3>Taxonomy</h3> <div class="element-text">Phylum: Arthropoda<br />Class: Trilobita<br />Order: Phacopida<br />Genus: Homalonotus</div> </div> <div class="element"> <h3>Distinctive Features</h3> <div class="element-text">Cephalon<br />Thorax<br />Pygidium<br />Eyes (holochroal)</div> </div> <div class="element"> <h3>Preservation</h3> <div class="element-text">External mould (manmade cast)</div> </div> eyes https://wserv3.esc.cam.ac.uk/p1acollections/files/original/3e16f8b244b85bbe521c80565d568ef8.png 92f7d66f23b065c88155ce3e748e890b https://wserv3.esc.cam.ac.uk/p1acollections/files/original/16a8f119d8241f27ca7c022f00cf324f.png 2e9dd51af01f81edd7f128f892154592 Physical Object An inanimate, three-dimensional object or substance. Note that digital representations of, or surrogates for, these objects should use Moving Image, Still Image, Text or one of the other types. 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 <h2><strong>TF0623<br /></strong></h2> <h2>Dalmanites</h2> Subject The topic of the resource <h3>Specimen Age</h3> <div class="element-text">Silurian</div> Description An account of the resource <div class="element"> <h3>Stratigraphic Range</h3> <div class="element-text">Silurian to Devonian</div> </div> <div class="element"> <h3>Taxonomy</h3> <div class="element-text">Phylum: Arthropoda<br />Class: Trilobita<br />Order: Phacopida<br />Genus: Dalmanites</div> </div> <div class="element"> <h3>Distinctive Features</h3> <div class="element-text">Schizochroal eyes<br />Thorax<br />Cephalon<br />Pygidium</div> </div> <div class="element"> <h3>Preservation</h3> <div class="element-text">External mould (manmade cast)</div> </div> <div class="element"> <h3>Advanced notes</h3> <div class="element-text"><em>Dalmanites</em><span> </span>always has 11 segments in the thorax</div> </div> eyes predator https://wserv3.esc.cam.ac.uk/p1acollections/files/original/5d726578b6f7bcc4381524128100fe61.png 11be4f952b2764ed50cd00b0a8b230c7 https://wserv3.esc.cam.ac.uk/p1acollections/files/original/870dcedb6f344245932f31d3313592dc.png 1608646d3dd4902f3bd3ccf018d38449 Physical Object An inanimate, three-dimensional object or substance. Note that digital representations of, or surrogates for, these objects should use Moving Image, Still Image, Text or one of the other types. 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 <h2><strong>TF0622<br /></strong></h2> <h2>Calymene blumenbachi</h2> Description An account of the resource <div class="element"> <h3>Species</h3> <div class="element-text">Calymene blumenbachi</div> </div> <div class="element"> <h3>Stratigraphic Range</h3> <div class="element-text">Silurian</div> </div> <div class="element"> <h3>Taxonomy</h3> <div class="element-text">Phylum: Arthropoda<br />Class: Trilobita<br />Order: Phacopida<br />Genus: Calymene</div> </div> <div class="element"> <h3>Distinctive Features</h3> <div class="element-text">Cephalon<br />Thorax<br />Pygidium<br />Eyes</div> </div> <div class="element"> <h3>Preservation</h3> <div class="element-text">External mould</div> </div> <div class="element"> <h3>Advanced notes</h3> <div class="element-text"><em>Calymene blumenbachi</em><span> </span>likely lived as a predatory or scavenging animal in shallow waters. Its good vision would have allowed it to identify suitable prey/food.</div> </div> eyes predator https://wserv3.esc.cam.ac.uk/p1acollections/files/original/0f2094e6d7226d1b49d490751e74f6ef.png ccc7a3fd6006d09300c1a2a85ed530c2 https://wserv3.esc.cam.ac.uk/p1acollections/files/original/2410e51b0a2f2ccfb0c1083793094841.png d922b505ea0312daf253c81e1fde3d18 Physical Object An inanimate, three-dimensional object or substance. Note that digital representations of, or surrogates for, these objects should use Moving Image, Still Image, Text or one of the other types. 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 <h2><strong>TF0614<br /></strong></h2> <h2>Odontopleurid</h2> Description An account of the resource <div class="element"> <h3>Stratigraphic Range</h3> <div class="element-text">Ordovician to Silurian</div> </div> <div class="element"> <h3>Taxonomy</h3> <div class="element-text">Phylum: Arthropoda<br />Class: Trilobita<br />Order: Odontopleurida<br />Family: Odontopleuridae</div> </div> <div class="element"> <h3>Distinctive Features</h3> <div class="element-text">Cephalon<br />Thorax<br />Pygidium<br />Spines</div> </div> <div class="element"> <h3>Preservation</h3> <div class="element-text">External mould (manmade cast)</div> </div> eyes