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www.jstor.org/stable/30078135
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They are to be correlated with Irving's "ordinary," "olivinitic," and "ash-bed" diabase, respectively, but are all included in Winchell's diabase and olivine diabase.
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researcharchive.lincoln.ac.nz/dspace/bitstream/10182/33...
researcharchive.lincoln.ac.nz/dspace/bitstream/10182/3349/1/leucophyre.pdf
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Cox mentlOus these diabases, and says that he agrees with Mr. A. MeKay that they are the same as the diabase ash-beds and cherts of 0kulm whlOh he had ...
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www.theodora.com/encyclopedia/s2/sill_geology.html
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There are few lavas or ash beds at or above the horizons on which these intrusive ... The Whin Sill consists of a dark-green granular diabase, in which quartz or ...
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www.dcnr.state.pa.us/topogeo/gsaabstr/smithlead.pdf
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date on monazite, Roden et al., 1990) Tioga Ash Bed B in central and eastern Pennsylvania. .... As always, the MTP and symptomatic diabase intrusions at ~ 200 ...
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rsnz.natlib.govt.nz/volume/rsnz_26/rsnz_26_00_003520.ht...
rsnz.natlib.govt.nz/volume/rsnz_26/rsnz_26_00_003520.html
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Clay-shales, Diabase-ash and Breccia Beds.—The clay-shales occupy the lower slopes of the spurs on the east side of the valley, and are well exposed in many ...
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pubs.usgs.gov/bul/0126/report.pdf
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fncoidal sandstone. The Granl)!i tuff, or diabase ash beds. The Holi/oke and Deer field diabase beds, or tlie trap. Jiernurdston series. 1. Mica-schist and gneiss.
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www.njminerals.org/moreid.html
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IGNEOUS: Granite, Diorite, Gabbro, Basalt, Diabase, Rhyolite, "Pegmatites" .... them all over the place in particles ranging from ash all the way up to big blocky chunks. .... Geologic upheaval or further erosion exposed these shale beds on the ...
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gsabulletin.gsapubs.org/content/117/11-12/1573.full.pdf
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conglomerate shale and siltstone limestone and dolomite ca. 1100 Ma diabase sills unconformity ash beds convolute bedding cross-beds. Explanation breccia a ...
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geoinfo.nmt.edu/publications/bulletins/60/
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Nov 28, 2011... Upper Cretaceous Beartooth quartzite and Colorado shale beds and early- to ... These source sediments were intruded by diabase and leucogranite that ... prior to the deposition and metamorphism of the Ash Creek rocks.
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