 | | Journal (article/letter/editorial) | | The Harry T. Campbell Sons' Co. Gettysburg quarry looking north towards the skarnmagnetite zone. Relic...bedding in the hornfels dips westerly. Campbell's Quarry A Complex Mineral Locality in Gettysburg, Pennsylvania...Harry T . Campbell Sons' Company crushed stone quarry, a noted Pennsyl vania mineral locality, is located...to the local ity as Teeter's quarry. Prior to 1974, the Campbell quarry was a noted zeolite suite locality...Penn sylvania Academy of Science. The Campbell quarry is in the south central por tion of a long structural |  | | Book | | zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia. The minerals are believed...hemispherical front-lens. Type Locality: H(lwenegg, Hegau, Germany Nomenclature: From its framework structure and...combination with {110} and {OIl} is found only at Hegau, Germany (Figs. 15,18,26,27) while {WI} and {OW} in combination...15 MODIFIED HABIT MONOCLINIC ORIENTATION HEGAU,GERMANY Fig. 18 COMMON HABIT MONOCLINIC ORIENTATION ALL | | | Book | | zeolite mineralogy was done, at that time, in Germany, Italy, France, and Great Britain. Because of differences...Lower Miocene columnar basalt in the Narre Warren Quarry, near Melbourne, Australia. The minerals are believed...hemispherical front-lens. Type Locality: H(lwenegg, Hegau, Germany Nomenclature: From its framework structure and...combination with {110} and {OIl} is found only at Hegau, Germany (Figs. 15,18,26,27) while {WI} and {OW} in combination...15 MODIFIED HABIT MONOCLINIC ORIENTATION HEGAU,GERMANY Fig. 18 COMMON HABIT MONOCLINIC ORIENTATION ALL |  | | Journal (article/letter/editorial) | | it R TLhrough Scope The Microminerals of Valley Quarry JERI L. JONES 276 North Main Street Spring Grove...world-class mineral specimens. Although Valley quarry in Gettysburg is not one of these occurrences,...years of dedicated research on this particular quarry. Although Hoff (1978) wrote about the quarry’s...results that warrant publication. Location Valley quarry is located about 2.2 miles southeast of Gettysburg...has worked the quarry for aggregate to the present time. During its early years, the quarry produced some |  | | Report (issue) | | ________ 12. A, Marburg schist, three-quarters of a mile north of Craley; B, Marburg schist, 1 mile north...north of Windsor; C, Marburg schist, from Marburg_____________________________________________________________________...________________ 13. A, Marburg schist, 1 mile north of Marburg; B, Marburg schist, showing greater detail;...detail; C, Quartzite associated with Marburg schist, 1}_ miles southeast of Dallastown_--__-________...New Jersey, Pennsylvania, and Maryland, showing diabase sills, crosscutting bodies, and dikes--____--_ |  | | Report (issue) | | A, Triassic sandstone bridge; B , }fa.sse.s of diabase at "Governor's stable" near Falmouth . . . . ..... 170 A, Quarry of Universal Gypsum & Lhne Co. in ,vest York; B, Calico rock in same quarry . . . . ...Bittinger Co. quarry, Spring Grove . . . . . . . . . . . . . . . . . . . . . . . . . 173 Quarry of York Valley...Folded layer of s-andy Peach Bottom slate; B, Diabase quarry at Yorkhaven . . ..... . .... . . .. . .. ...resistant conglomerate beds and large bodies of diabase are so resistant that much of the surface of the |  | | Report (edition) | | “old” Lime Bluff quarry, Muncy; right fibrous : tremolite, C. K. Williams quarry, Easton: bottom: calcite...oriented coatings of goethite, “old” Lime Bluff quarry, Muncy, (courtesy of Delbert L. Oswald) ADDITIONAL...edition of Mineral Collecting Cedar Hill in quarry where Dave had done IV much of his work PREFACE...permission from the owners of the land, from the quarry or mine operators before entering to collect. (Land...identified. To the members of Friends of Mineralogy, Region III, we are indebted or most of the new localities |  | | Journal (article/letter/editorial) | | were formed by contact metamorphism of intrusive diabase. The rounded cavities were produced by the solution...across the strike of the sedimentaryrocks. The diabase is bordered on both sides by a zone of baked shale...sedimentary rock or the diabase, and makes the high ridge south of the diabase. The thicker red shalesof...shown by diagonal ruling, bordering the intrusive diabase. The garnet was discovered by G. W. Stose and...metamorphosed zone which forms the hill south of the diabase, south of Highspire, at the locality marked (1) |  | | Report (edition) | | County, the Stillwell quarry in Lancaster County, and the Medusa Cement Company quarry in York County, are...Zircon Crystal 50 Diagramatic Sketch of Brinton Quarry Pegmatite 53 Geologic Cross-Section of West ...84 of Deweylite after Dolomite, Ceclar Hill Quarry 89 _ Limonite Pseudomorphs from Chestnut Hill...permission from the owners of the land, or from the quarry and mine operators, before entering to collect...have been taken from topographic quadrangles. A quarry or mine symbol designates the exact mineral location |  | | Report (edition) | | Crystal . . . . . . .. Diagra1natic Sketch of Brinton Quarry Pegmatite Graphic Granite Geologic Cross-Section...Pseudomorphs of Deweylite after Aragonite. Cedar Hill Quarry . . . . . . . Calcite Crystal Forms "Picrolite"... Q t9 Diabase intrusions 225 er ...permission from the owners of the land, or from the quarry and mine operators, before entering to collect...have been taken from topographic quadrangles. A quarry or mine symbol designates the exact mineral location |  | | Journal (article/letter/editorial) | | zones with marble, ferrosalite and grossularite-andradite skarn is developed on the marble side whereas...cent ferric iron) in normal gabbro, norite and diabase sheets. The anorthositic pyroxenes are also in...36. (3) Salite from gabbroic anorthosite gneiss, quarry 0.3 mile east of Stickney Bridge, Ausable quadrangle...gabbro pegmatite in Marcy type of anorthosite, quarry 3 miles east oI Wilmington on south shoulder of... noritic and diabase sheets of Stillwater, Mont.; Bushveld, S. Africa; Triassic diabase of eastern U |  | | Report (edition) | | owners the rockhound, of the land, or from quarry and mine operators, before entering to collect...Metamorphic rocks: Schist Gneiss Igneous rocks: Diabase Ultrabasic Pegmatite Granite Sedimentary rocks:...Chlorite Calcite Sandstone Igneous rocks: Basalt and Diabase Aragonite 13 MINERAL AND ROCK ASSOCIATIONS...Status of the Copper 17 ADAMS COUNTY Mountain Region, Pa. Geol. Survey, 3rd ser. Biennial Rept. Appendix...contain wurtzite crystals. At the old brickyard quarry at Valley Camp, West7. moreland County; the New |  | | Journal (article/letter/editorial) | | Ball, Pennsylvania 17506 Introduction where a diabase dike of triassic age intruded calcar eous sedimentary...sedimentary rocks (limestones). This diabase Pennsylvania has a long history of prominence in caused an...Jamestown, Virginia in 1619 but not inating from the diabase. In some places, the lime long after in 1683 "minerals...which but due to the immense heat of the molten diabase, helped in the colonization of Pennsylvania. it...Revolution. Pennsylvania's during early cooling of the diabase. The zeolite min iron industry continued to grow |  | | Journal (article/letter/editorial) | | and Brunswick formations of the Newark Group by diabase sills produced unusually varied and unique mineral...differing combinations of diopside-hedenbergite, andradite and grossular, prehnite, datolite, idoerase and...5 m below the Palisade Sill and in the Granton Quarry (Van Houten, 1969, Figs. 9, 30, 31) commonly are...tourmaline also occurs on joints in and very near the diabase intrusions. An estimated 0.01 percent maximum of...percent boron) points to volatile additions from the diabase. I t should be noted, however, that an average |  | | Journal (article/letter/editorial) | | of Ettringen, near Mayen, Rhineland-Palatinate, Germany. Dan Behnke specimen and photo. ter and is transparent...rock) from Ettringen, Eifel, Rhineland-Palatinate, Germany, where the clear to white crystals reach sizes...(1996). The contact zone between limestone and diabase at Scawt Hill, near Larne, County Antrim, Ireland...include aragonite, gypsum, and brucite. The Haturium region of the Negev, and the Ramleh of the coastal plain...States. Of these the best known is the Commercial quarry, Crestmore, Riverside County, California. Ettringite |  | Xie, Hong-Jing, Wang, Yu-Wang, Guo, Bo-Ran, Shi, Yu, Zhou, Guo-Chao (2019) Characteristics and petrogenesis of the “Pale Microgranular Masses” in ophiolite-type chromitites in northern Xinjiang. Ore Geology Reviews, 115. 103168 doi:10.1016/j.oregeorev.2019.103168 | Journal (article/letter/editorial) | | Although some rodingitized enclaves (gabbro, diabase, and volcanic-clastic rocks) have been discovered...deposits in northern Xinjiang The northern Xinjiang region, located at the junction between the Siberia, Kazakhstan...The garnets in PMMs belong to the grossularite-andradite series. The main oxide compositions are SiO2,...samples are classified as Cr-rich grossularite-andradite and show that the Cr was introduced from the surrounding...(0~0.05%). (3) Andradite. There are two types of andradite occurrences. One type of andradite is brownish-red |  | | Journal (issue) | | Behnke Northbrook, IL Werner Lieber Heidelberg, W. Germany Eric Offermann Arlesheim, Switzerland Jeffrey A...3 /# l D ohrm ann G old collec tion, G illette quarry (CT), Spanish fluorite $12 H ouston M useum Catalog...4 s S, CS s M s s s s s s s M O, CS s 0 Andradite Anglesite Antlerite (?) Aragonite Aurichalcite...occurrences scattered throughout the Franklin-Sterling region (Cummings, 1978, 1988). The oxidation paragenesis...rapidly when several diabase quarries were opened in and near St. Peters in 1885. The diabase quarries produced |  | | Journal (article/letter/editorial) | | T H E KIBBLEHOUSE QUARRY by F . A . K E I D E L 705 Prospect Ave. WUmington, Delaware 19809 Few localities...the Kibblehouse Quarry. Many in teresting discoveries have been made at the Quarry and the diligent...to find much worth taking home. The Kibblehouse Quarry is located 30 miles northwest of Philadelphia just...picturesque Mont gomery County. It is a moderately sized quarry with active workings about 1000 by 700 feet. Unfor...variety of mineral species that occur at the quarry. Nearby diabase intrusions of later Triassic time wrought |  | | Journal (article/letter/editorial) | | this short article. The specimen is 11 cm wide. Andradite that Was Not and the Search for its Unknown...interesting equant black crystals that was labeled “Andradite, Cornwall, Pennsylvania.” Because it was only...although I already knew that it was tourmaline, not andradite. Thus began the search for more about its identity...Dark Hollow Run. Triassic shales and intrusive diabase.” A Google search led to a U.S. Geological Survey...following description (in the map legend): Diabase (Jurassic) Diabase—Concordant to discordant, predominantly |  | | Journal (article/letter/editorial) | | sandstones, conglomerates, shales, and limestones. Diabase intruded these sediments dur ing L a t e Triassic-Early...sedimentary rocks (usually lime stone) by diabase. T h e diabase has caused the alteration o f the surrounding...w i t h iron minerals pre cipitated from the diabase. Where the sediments have either not been changed...etching. Specimen is 1.9 cm x 1.0 cm. Right: Andradite dodecahedron measuring 45 mm across. Both collected...According to S m i t h et al. ( 1 9 7 5 ) two types of diabase have intruded the sedimentary rocks at Dillsburg |  | Bai, Feng, Du, Jiming, Li, Jingjing, Jiang, Bohan (2020) Mineralogy, geochemistry, and petrogenesis of green nephrite from Dahua, Guangxi, Southern China. Ore Geology Reviews, 118. 103362 doi:10.1016/j.oregeorev.2020.103362 | Journal (article/letter/editorial) | | in Dahua county, Hechi City, Guangxi Autonomous Region, China. Previous studies have focused primarily...deposit is related to basic intrusive rocks such as diabase and hydrothermal fluid carried by magma. Contact...in China, including in Dahua (Guangxi Autonomous Region) (Zhong et al., 2019), Luodian (Guizhou Province)...research area is Yantan, Dahua, Guangxi Autonomous Region, Southern China. The town is situated along the...near the hydropower station. The strata in this region formed from the Upper Devonian to the Middle Triassic |  | | Journal (article/letter/editorial) | | Ussher (1912) wrote the official memoir on the region, in which Barrow gave an outline of the petrology...thus, on the southern limb, at Ennaton and Dunwell quarry the dips are 35 ~ and 45 ~ to S. 20 ~ E. On the...quartz. An interesting joint-lining is seen in the quarry at Fardel Mill. The quartz-biotite-hornfels is...the rare cases when the lime is not removed, andradite garnets crystallize in the granulite. A minor...rocks consisting of one or both of the minerals andradite and hedenbergite, with residual calcite absent |  | | Book (edition) | | abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from the Rabejac deposit... = = = = = Acanthite, x 16 mm, Freiberg, Germany, H Abernathyite, 12 mm, Ririera/, France, H Abhurite |  | Zhang, Ju‐Quan, Li, Sheng‐Rong, Santosh, M., Luo, Jun‐Yan, Li, Cheng‐Lu, Song, Ji‐Ye, Lu, Jing, Liang, Xian (2020) The genesis and gold mineralization of the crypto‐explosive breccia pipe in the Yixingzhai gold region, central North China Craton. Geological Journal, 55 (8). 5664-5680 doi:10.1002/gj.3591 | Journal (article/letter/editorial) | | crypto‐explosive breccia pipe in the Yixingzhai gold region, central North China Craton Ju‐Quan Zhang1,2 Ji‐Ye...garnets of Generation 2 are mainly composed of andradite (75.70–99.98 mol%) and show compositional homogeneity...mineralization. For example, in the Xiong'ershan region of Henan Province, more than 40 breccia pipes are...magma cemented breccia, the breccias are mainly diabase; (e) skarn‐cemented breccia, the breccias are mainly... ZHANG 5 ET AL. The metamorphic basement in this region is composed of tonalite– outer domains of the |  | | Journal (article/letter/editorial) | | ultramatic rocks) which may have originated in the region of the core-mantle boundary. The basis for this...metal phases (c~-Fe and a nickel-iron alloy) and andradite garnet. The proposed method of emplacement is...Institution. tense serpentinization and contemporaneous diabase and quartz-diorite intrusives. On this basis Dick...arguments that follow is that many nuggets contain andradite garnet intergrown with the metal, often with graphic...taenite. The intergrowth of awaruite, taenite and andradite in some josephinite nuggets is thus far a unique |
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