 | | Report (issue) |
| granite with Scanlan conglomerate .. , 64 Fades of diabase . ...«*...»* ., ,.,,. ..., Contact metamorphifim...Sastern /zrahen ROovom graoen Relationship of diabase . . .. . ».». ... QlTji crrfl?v«n vi ***> &* CMJOU...weathered diabase .»».. »« ... » ».» «** » ».. B. Brecciated Martin limestone over diabase ......................... ........ 117 117 Plate 21. A. Diabase alluvium ................................. B. Stratified...Resistant cliff-forming diabase .................. B. Slope-forming diabase ........................ |
 | | Report (volume) |
| rocks___________________-_______--_-___._-----Diabase and gabbro.-._-_--____--_------_____-__--_---_...rocks.___-___..____.__-_.____--__-.-____--------_ Diabase...----...___.-_-.--__---_---------_---------Dacite...mainly subaerial conglomerate and volcanic rocks. Diabase and gabbro form prominent sills and dikes cutting...formations and is distinctly younger than the diabase. On Agattu Island the basement rocks are fine-banded...same age as parts of the basement rocks of Attu. Diabase is the predominant intrusive rock on Agattu, and |
 | | Journal (article/letter/editorial) |
| were classed by Sir Jethro Teall as diabases and diabase-porphyrites. Both types are generally so much altered...associate this rock unmistakably with the typical diabase-porphyrites above referred to. The remarkable feature...all the felspars consist of quite unaltered labradorite of a mean refringence 1-562 and corresponding...metasomatosis. At the north end of Stockenray Bay a normal diabase-porphyrite occurs, which exhibits a comparatively...felsitic rock, apparently more acid than any of the diabase lavas. These have been ascertained to be porphyritic |
 | | Journal (volume) |
| GEOLOGI NE N TUTKIM U S LAITOS BULLETIN DE LA COMMISSION GEOLOGIQUE DE FINLANDE N:o 152 ON CONTACT PHENOMENA...THE SATAKUNTA DIABASE BY AARNO KAHMA HELSINKI 1951 GEOLOGINEN TUTKIMUSLAITOS BULLETIN DE LA COMMISSION...COMMISSION Gt!OLOGIQUE DE FINLANDE N :o ON CONTACT PHENOMENA OF THE SATAKUNTA DIABASE BY AARNO KAHMA HELSINKI...rocks, viz. , rapakivi granite, sandstone, and diabase. The rapakivi granite, a reddish , porphyritic...(Sederholm , 1911 , p. 103). 6 Bulletin de Ja Commission goologique de Finlande N: 0 152. 22· I Fig. 1. |
 | | Book (volume) |
| Zinc minerals; W 3 mi., past the city dump, an outcrop, massiveopalite; W and SW 7 mi. by various jeep...the gemstones found in cavities in the basalt or diabase lavas are a never-ending source of excitement to...Watchung Mountain basalts of Somerset Co., and the diabase intrusions exposed between the Delaware and Raritan...Edgewater. Another high, narrow crescent of gem rich diabase parallels the Hudson River from above Haverstraw...stone. BERGEN COUNTY AREA, every basalt and diabase outcrop exposed in rd. cuts, railroad tunnels, building |
 | | Book (volume) |
| principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best...COUNTY BUENA VISTA, area mines⎯Galena, Smithsonite. DE MOINES COUNTY BURLINGTON: c all area Mississippi...Hexagonaria corals. The famed Keokuk Geode Beds outcrop in a broad area around the jct. of the Des Moines...Warsaw formations of the Mississippian Period outcrop, gemmy geodes appear abundantly. These interesting...strata. Tertiary formations (Eocene and Oligocene) outcrop in nearly every parish to yield petrified wood |
 | | Book (volume) |
| principally in Devonian limestone exposures which outcrop over much of Iowa, being most typical and best...COUNTY BUENA VISTA, area mines⎯Galena, Smithsonite. DE MOINES COUNTY BURLINGTON: c all area Mississippi...Hexagonaria corals. The famed Keokuk Geode Beds outcrop in a broad area around the jct. of the Des Moines...Warsaw formations of the Mississippian Period outcrop, gemmy geodes appear abundantly. These interesting...strata. Tertiary formations (Eocene and Oligocene) outcrop in nearly every parish to yield petrified wood |
 | | Report (issue) |
| and Origin of the Triassic Magnetite Deposit and Diabase at Cornwall, Pennsylvania Davis M. Lapham and...and Origin of the Triassic Magnetite Deposit and Diabase at Cornwall, Pennsylvania by Davis M. Lapham and...pit (1972), looking east toward Miners Village. Diabase on left slopes southward below vertical hanging...or not an area that contains the igneous rock, diabase (locally called "ironstone" or "trap rock"), might...These processes have influenced the location of diabase intrusion and ore introduction. Another complex |
 | | Report (issue) |
| ____. Criteria for distinguishing basalt from diabase.. Pre-Troy unconformity.______---_-___________-...Distinctive features of members____________----_. Diabase and related rocks..__________________________ Form...trology_ _____________________________________ Diabase.___.___-____________----_--------. Feldspathic...Feldspathic differentiates..____________--_-.. Diabase pegmatite._______________----.. Granophyre.._ _____________-______---_..._________--_____-----. Deformation associated with diabase intrusion __. Relations of Paleozoic formations |
 | | Book |
| EMPLACEMENT D. PHYSICAL ENA CONSTRAINTS OLIVINE DIABASE ON PETROGENESIS MAGMA TYPES Whittington 557...casera Bacberound iemsvos cece cone of olivine diabase Chemistry Major elemetit. Chemisty’ dikes ...tate DDOISCUSSIOM Cree eyes Settings for olivine diabase ... Magma Relation AND transport to Pangean...MSCOVO RIE SETI aoe Genetic . mics eee esac Diabase-hosted vein deposits 641 642 642 Introduction...Atlantic rift (Morocco, southwestern Portugal, Spain, France) have been mined for salt since ancient |
 | | Report (issue) |
| Lost Gulch quartz monzonite_ . .: _____________ _ Diabase __________________________________ _ Diorite porphyry...sedimentary and volcanic rocks and the intruded diabase ___________ _ 4. Idealized section of the Martin...quartz monzonite, extensive sills and dikes of diabase intruded mainly into the formations of the Apache...during the intrusion of thick dikes and sills of diabase magma. The earliest recognized faulting began at...fault pattern probably had formed by the time the diabase was intruded. Faulting continued into Quaternary |
 | | Book |
| Reffec1ion and Refraction of Progressive Seismic Wai•es De Sirter Siructural Geology Ewing, Ja rde tzky. a nd...THE METAMORPHIC ROCKS In a hand specimen or an outcrop, the most striking characteristic which stamps...rite stock in Montana (see also Knopf, 1950). The outcrop of the stock covers 8 km 2 . It is late C retaceous...that the contact, too, is steep , so that the outcrop represents a true cross section of the aureole...of the intrusive sequence. It has a circu lar outcrop 8 kin in diameter and consists of a central body |
 | | Report (issue) |
| Selenite crystal, Morden Selenite crystals on shale outcrop, Morden Bimessite and rancieite, La Riviere xiii...serie d' ouvrages qui presentent des emplacements de cueillette dans differentes regions du Canadafaciles...proposes est la transcanadienne, soit la route 17 de Sudbury a la frontiere entre /'Ontario et le Manitoba...distance de 285 km de son point de jonction ouest avec la route 17 jusqu' a Fort Frances. De part et d'...d' autre de ces routes, plusieurs itineraires secondaires sont proposes. Les emplacements de cueillette |
