 | | Report (issue) | | Reidite Zr(SiO4) Crystal Data: Tetragonal. Point Group: 4/m. As elongate skeletal crystals to 10 mm...Drilling Project Site 1073 Hole A). On Barbados at Bath Cliff. From numerous impact structures, including...(1) Glass, B.P., S. Liu, and P.B. Leavens (2002) Reidite: An impact-produced highpressure polymorph of zircon...M. Alvaro (2019) New insights into the zircon-reidite phase transition. Amer. Mineral., 104, 830-837...Rickard, and R.J.M. Taylor (2015) Precambrian reidite discovered in shocked zircon from the Stac Fada |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 87, pages 562–565, 2002 Reidite: An impact-produced high-pressure polymorph of...Delaware, Newark, Delaware 19716, U.S.A. ABSTRACT Reidite is a high-pressure polymorph of zircon with the...upper continental slope off New Jersey and on Barbados. Reidite occurs (epitaxially oriented) in shock-metamorphosed...also been produced in shock recovery experiments. Reidite is brittle with an irregular fracture, a hardness...almost entirely of reidite are transparent. Pleochroism was not observed. Reidite appears to have parallel |  | | Journal (article/letter/editorial) | | Caribbean Sea, northwestern Atlantic Ocean and on Barbados. Unmelted impact ejecta (including shocked quartz...deformation features, coesite, stishovite, and reidite, a high-pressure polymorph of zircon) have been...in the Gulf of Mexico (Glass and Zwart, 1979), Barbados (Saunders et al., 1984; Sanfilippo et al., 1985)...microtektites in the Caribbean Sea and Gulf of Mexico (John and Glass, 1974). At this time they were thought...northwestern Atlantic Ocean off New Jersey, and on Barbados (Fig. 1). They occur as splash forms (spheres |  | Biren, M. B., Wartho, J.‐A., Soest, M. C., Hodges, K. V., Cathey, H., Glass, B. P., Koeberl, C., Horton, J. W., Hale, W. (2019) (U‐Th)/He zircon dating of Chesapeake Bay distal impact ejecta from ODP site 1073. Meteoritics & Planetary Science, 54 (8) 1840-1852 doi:10.1111/maps.13316 | Journal (article/letter/editorial) | | (georgiaites), Massachusetts (Martha’s Vineyard), and Barbados. Offshore tektite and microtektite locations include...(bediasites), Massachusetts (Martha’s Vineyard), and Barbados, and offshore in the Caribbean Sea (Deep Sea Drilling...from DSDP/ODP sites 612, 903, and 904 and Bath Cliff in Barbados produced upper and lower intercept U-Pb...al. (2019) #16b Kamo et al. (2002) #17 Bath Cliff, Barbados North American tektites Georgiaite Georgiaites...American tektites ODP 612, 903, and 904, and Bath Cliff, Barbados zircons K/Ar and 40Ar/39Ar ages recalculated |  | | Journal (article/letter/editorial) | | Indian Ocean, western equatorial Atlantic Ocean, Barbados, northwest Atlantic Ocean, southern South Atlantic...1973). Ar-Ar dating of tektite fragments from Barbados indicates an age of 35.4 ± 0.6 Ma (Glass et al...thought to belong to the same impact event (e.g., John and Glass 1974). The cpx spherule layer is now recognized...ODP 786A ODP 903C ODP 904A ODP 1073A ODP 1090B Bath Cliff Gay’s Cove Massigano 14°33.4′N 28°14′N 4°21...Northwest Atlantic Southern Atlantic Barbados, West Indies Barbados, West Indies Ancona, Italy NAMTa, |  | | Book | | Global Donnelly and Chao (1973), Glass et al. (1973) John and Glass (1974), Keller et al. (1987), Glass and...Lonsdaleite C Wurzite 3.41 Graphite, coal Reidite ZrSiO4 Scheelite 5.2 Zircon TiO2II TiO2 ...Akimotoite (Mg,Fe)SiO3-perovskite TiO2II Lonsdaleite Reidite Shergotty meteorite Seifertite 70–140 38–80...Fig. 2.14 High-pressure polymorphs of zircon (reidite) and rutile (TiO2II). a Scanning electron image...metamorphosed zircon crystal (gray) with microlites of reidite (white) aligned along crystallographic directions |
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