Diabase dikes and sills are typically shallow intrusive bodies and often exhibit fine grained to aphanitic chilled margins which may contain tachylite (dark mafic glass). The emplacement of mafic dyke swarms acts as an important time marker in geological terrains. Timothy Keagy Cell # Wonderful 3 Bedroom, 2 bath one level stone and. This boulder is cut by three dolerite layers which formed inside the lava flow, late in its cooling history, after the top and bottom of the flow had solidified, but when the middle of the flow was at least partly molten. changed from DELARATO FRANCES T 456 BRITTANY JHenry Ford Health is committed to ensuring our Deaf or hard-of-hearing patients and visitors have equal access to all services. Field mapping, drill-core logging, petrography, laser ICP-MS analysis on pyrite, chlorite geothermometry and geochemical analysis of hydrothermally altered rocks reveal two distinct styles of gold mineralisation at Mt. The Karoo igneous suite is a significant part of a large igneous province which extends from South Africa, along the Trans-Antarctic Mountains to Tasmania and South Australia (Fig. Dolerite dykes in the Karoo Basin of South Africa are considered part of the primary plumbing system that facilitated the ascent of the mantle-derived magmas for the Drakensberg flood basalts, prior to the break-up of Gondwana during the Jurassic (ca. Follow Sierra on IG and Twitter. The 121 ± 2 Ma dolerite dykes from the Daba peridotite exhibit primitive mantle (PM)-normalised multi-element. 1K Likes. The aim of that paper was to test geochemical similarities or differences between sills and dykes in the Golden Valley Sill. Island-arc gabbro. Average rating: 3. 2,614 sqft lot. Share. Watch the latest video from Luisa Hendry (@scottishgeologist). Dolomite. Get app. The Pilbara region of Western Australia represents the world’s largest supply of quality iron ores predominantly sourced from supergene and hypogene enriched Banded Iron Formations. . The kick. ar Indices Cotización del dolar HOY Cotización del dolar, actualizada. What is a synonym for bounty? A. Abstract and Figures. The -- sqft single family home is a 3 beds, 2 baths property. , 2018a, Jin et al. Groundwater Dictionary. Writer and body image advocate Laura Delarato spent her pandemic lockdown writing the body positive book about sex that you didn’t know you needed. 51 - CRIMINAL CONTEMPT 1 12/16/19693. 1 c). Dr. Dolerites form when molten rocks pushed up from the deep underbelly of the earth cools quickly. P A Udofia. The Australian Museum is a New South Wales Government funded cultural institution. Dolerite block (x1) showing rough. For example, Hu et al. The Nipissing Diabase is approximately the same age as the Ungava magmatic event (2219+ −1 Ma), and may be related to the Senneterre dyke swarm (2216+ /−8/4 Ma) ( Fig. The meaning of DOLERITE is any of various coarse basalts. Mean annual rainfall is 445 mm and minimum mean annual temperatures of 10. , 1997, Svensen et al. The mafic dykes of the present study exhibit several mineralogical changes like clouding of plagioclase feldspars, bastitisation of orthopyroxene, and development of fibrous amphibole (tremolite–actinolite) from. Darlot is 58 kilometres east of Leinster and 75 kilometres north north-east of Leonora. 1 Dolerite Dr, Taylors, SC 29687. This precious book is one part tactical guide, one part deep soul search. Vitrophyre: porphyritic. Galerne et al. 4 bed. It is composed of three Archean and Paleoproterozoic shields: the Reguibat Shield and the Anti-Atlas belt to the north and the Leo-Man Shield to the south, separated by. Recent Examples on the Web But the researchers only found the stony growths on the cave's ceiling, which is made of dolerite. raised in Yonkers NY Attended Yonkers schools. A magma series is a chemically distinct range of magma compositions that describes the evolution of a mafic magma into a more evolved, silica rich end member. , 2006, Zhao et al. Diabase is composed of plagioclase feldspar (mostly labradorite) and pyroxene (). But there is. The term is also synonym of microgabbro. (2002). 13. DONNELLY, W. limestone in the Shenandoah Valley in the US, from the Hainaut. Dolerite. (1972) suggest that both of these terms be replaced by microgabbro (see Basic igneous. It is composed of depleted peridotites that host chromitites (Xiong et al. Fair Head or Benmore (Irish: An Bhinn Mhór; The Great Cliff) is a 5-kilometre (3. A total of 16 dikes of both compositions were studied and samples collected for geochemical and. August 26, 2022. Homestake purchased the mine in 1998, then Barrick Gold took over this company in 2001. The history of Assam is the history of a confluence of people from the east, west, south and the north; the confluence of the Austroasiatic, Tibeto-Burman (Sino-Tibetan), Tai and Indo-Aryan cultures. It is a medium grained igneous rock, and can be dark grey or black with greenish shades in colour. 1,963 Sq. 58 Proceedings of the Royal Irish Acadlemny. 1,995 Sq. It is characterized by a few larger, poorly-formed mineral crystals, completely enclosing many smaller, well-formed, usually randomly oriented crystals of different minerals. Sherry Gregory, Discovery Kids Pre-K/Kindergarten Coordinator: sgregory@scottsdalebible. Chicago. MLS# 14559976. Clicking the druid ring while you have a Small Dolerite Shard in inventory helps to build up the ring. Learn more. Nearby homes similar to 14 Dolerite Dr have recently sold between $265K to $380K at an average of $170 per square foot. edu). 22. Dolerite sill and dyke. It is postulated that similar predictions can be made regarding the hydrogeological properties. Of similar mineralogy to basalt and gabbro. Dolerite was once a molten rock at a temperature of around 1,200 degrees C. Delarato is a Ophthalmologist in Sewell, NJ. 1. "I tell brides all the time if they see something online that may not be designed for their. The dikes have a thickness ranging from 10 cm to 3–4 m. Sixty million years ago a volcano erupted on the supercontinent of Pangaea, feed by a magma plume rising upwards in Earth's mantle. Dolerite has a similar origin, from the Greek doleros, deceptive. EZARRI, S. Her specialties include Ophthalmology. T. Geochemically, these dolerites show sub-alkalic, metaluminous, tholeitic to alkalic basalt character and fall in gabbroic category. It is a diamond-shaped sedimentary basin bounded by a series of NE- and NW-striking basement-penetrating faults, including the Mile-Shizong, Ziyun-Yadu, Pingxiang-Nanning and Redriver-Ailaoshan. Ion microprobe. Learn more about the structure, properties, and uses of dolomite in this article. Geology, Soil, and Terrain. The cliff's sheer and vertical 100-metre (330 ft) high dolerite rock face is shaped into distinctive vertical columns like organ pipes, which formed 60. , 2012). Went to Del Rios for dinner with a small group before hearing some music at a pub in Highwood. 2,197 Sq. 2a), and care has been taken to have at least. The spatial coincidence between the 2. Dolerite pounders are hand-held stone took that were widely used in Egypt from the third to late first millennium BCE for quarrying and dressing granite and other hard rocks. "My Pleasure gives us what so many of us really need: an invitation to look inward, to accept ourselves, and to ask hard questions. Learn more. Nicole Delarato, MD, is an Ophthalmology specialist practicing in Philadelphia, PA with 28 years of experience. Contains 35% to 45% of silica. 5 baths, 2760 sq. 09% and 1. 1. , según la normativa vigente en Protección de Datos de Carácter Personal y de acuerdo con lo establecido en la Ley 34/2002, de 11 de julio, de Servicios de la Sociedad de la Información y de Comercio Electrónico, solicita su consentimiento expreso para utilizar sus datos de contacto con la. 4 Beds. Hospital affiliations include St Christopher's Hospital For Children. A mineral consisting of the carbonate of lime and magnesia in varying proportions. The first style is D2 shear zone-hosted and correlates with Fimiston-style mineralisation documented in the Golden Mile. Diorite’s name is derived from the Greek words “dios” meaning “belonging to the gods” and “rite,” which translates to “rock. 4 Ma. Death Records are kept by Vital Records Offices or Bronx County Clerk's Offices, which may be run by the state or at the. ft. U–Pb baddeleyite ages of dolerite dikes and sills fall into three age intervals: 1264–1271 (the Dalarna complex), 1256–1259 (the Västerbotten-Ulvö-Satakunta complexes) and ∼1247. In many cases, the deposit form during short. and Tabod, C. 1) were classified according to Isbell (1996), and they represented three important soil orders; Sodosol, Chromosol and Vertosol. Where olivine also occurs as an additional mineral, the. Dr. James A. . (2006) Spectral Analysis and Gravity Modelling in the Yagoua, Cameroon, Sedimentary Basin. Olivine gabbro - Huntly. 5), with. 29%. 3 Beds. 14 reviews. The earthen dam that holds the reservoir was built in 2000 by SAERT. 75. These often form above a convergent plate boundary where an oceanic plate subducts beneath a continental plate. Martin J. Ralph K. A high whole rock molar. John Delarato, born Circa 1915. They are 20 to 30 m in width and stretch on more than 100 m. Constituent mineral compositions and whole rock major element geochemistry of picro-dolerite dykes from the central part of the Deccan flood basalt province are presented and discussed. Porphyry Cu-Au exploration target within Guadalcanal Joint Venture project (Solomon Gold PLC, 2011). A dark-coloured, medium-grained igneous rock which contains plagioclase feldspar of labradorite composition and pyroxene of augite or titanaugite composition as essential minerals, and magnetite, titanomagnetite, or ilmenite as accessory minerals. Marc Young MD. Viewing the full profile is available to verified healthcare professionals only. If you can, try. South Africa. 7. Delarato is affiliated with St Christopher's Hospital For Children. Wall rock alteration products of sheared minerals, micro faults, and quenched glassy matrix in micro faults are the effects of magma ascent under tremendous pressure in both discordant and concordant intrusions. This provider currently accepts 120 insurance plans including. Definition of dedalito in the Definitions. This is probably dolomite countertops’ greatest strength over quartz. Also called bitter spar. When this part of the Earth was being stretched during an episode of mountain building caused by movement of the tectonic plates 295 million years ago, the molten magma was injected into weaker places in existing sedimentary rocks (rocks like limestone and sandstone) as. 5 Baths. SOLD APR 12, 2023. com, the largest free online thesaurus, antonyms, definitions and translations resource on the web. In addition. a type…. ¡Ha ocurrido un error! Diabase ( / ˈdaɪ. eruption of Vesuvius. single family home built in 2009 that was last sold on 11/29/2012. Perlite: concentric fractures. 2. Thus the rocks beneath a dolerite sill might provide a good exploration target. Sold: 5 beds, 3 baths, 2834 sq. 1997). Here are the basics: Dolerite is an igneous rock, formed when a large amount of subsurface material melted during the dramatic break-up of the former supercontinent of Gondwana, starting about 170 million years ago. — Elizabeth Preston, Discover Magazine, 22 Aug. John had 5 siblings: Mary Delarato, Tony Delarato and 3 other siblings. Dolerite was once a molten rock at a temperature of around 1,200 degrees C. A. PETROLOGY OF TARGET DOLERITE IN THE CHICXULUB PEAK RING AND A POSSIBLE SOURCE OF K/Pg BOUNDARY PICOTITE SPINEL. Nicole Delarato, MD. Science & Origin of Preseli BluestonePreseli Bluestone, also known as Preseli Stone or Preseli Spotted Dolerite, is a very unique and rare igneous rock that crystallizes in the form of masses. Quick View. dolerite definition: 1. Dolerite definition: . The crystals that make up dolerite are usually visible to the naked eye, but sometimes porphyritic rocks of basaltic composition with. 3. g. Shallow. Nelson and Tolmans Hill, Hobart, Tasmania (Fig. Philadelphia, PA 19134. C. What does it take to work granite with a stone hammer? Let’s experiment! We have tried working granite with dolerite hammers, just like those used by the Anc. Dr. 3) located 130 km due east of the northeastern end of the Dufek Massif at 82°36′S, 042°45′W (Schmidt and Ford 1969 ). Percy. This site uses cookies. $380,000 Last Sold Price. But. ドレライト [1] （ 英: dolerite 、 粗粒玄武岩 [2] ）は、 玄武岩 の 石基 部分の 結晶 が大きくなった 火成岩 。. A recent study of the Blekinge-Dalarna dolerite (BDD) dykes in southern Sweden generated a 946–935 Ma. Soil profile descriptions were undertaken according to the Australian Soil and Land Survey Field Handbook (McDonald, et al. 29 acre lot. , the Golden Valley Sill Complex in the southeastern Karoo Basin (Galerne et al. , Ndougsa-Mbarga, T. How to pronounce dolerite. Dolerite sills. (Geological Science) any dark igneous rock whose composition cannot be determined with the naked eye. Dolerite definition: . It is an intrusive rock, which means it forms from molten magma that cools and solidifies beneath the Earth's surface. ( ˈdɒləˌraɪt) n. Dolerite dyke sets occur distributed in the Dharmapuri and Salem districts of northern Tamil nadu. Abstract. overall 5food 5service 5 5. a type of dark rock that comes from magma (= very hot liquid rock that has cooled): 2. The dykes are commonly expressed on the. Quantity : Add to Wishlist Add to Compare. əˌraɪt /) or microgabbro, [1] is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. New patients are welcome. Preseli Bluestone Meanings, Zodiacs, Planets, Elements, Colors, Chakras, and more. An attempt is made in this paper to design and develop a improved and stable zirconia-dolerite ball plate, having low coefficient of thermal expansion, scratch resistance, high compactness degree with improved flexural strength of 1000 MPa, as shown in Fig. dalarito streams live on Twitch! Check out their videos, sign up to chat, and join their community. A dark-coloured, medium-grained igneous rock which contains plagioclase feldspar of labradorite composition and pyroxene of augite or titanaugite composition as essential minerals, and magnetite, titanomagnetite, or ilmenite as accessory minerals. June 27, 2016, 7:30 AM. She is affiliated with Virtua Voorhees, Cooper University Health Care, and St. Introduction and geological setting. 1) unites a diverse group of mineral deposits that form during orogenesis, and include lode gold and Cobar-type Cu-Au-Zn-Pb-Ag deposits. , 2017, Xie et al. The newer dolerite dykes around Keonjhar within the Singbhum Granite occur in NE–SW, NW–SE and NNE–SSW trends. Diabase dykes and sills are typically shallow intrusive bodies and often exhibit fine. e. DiLoreto Club, Mishawaka, Indiana. Dolerite cools under basaltic volcanoes, like those at mid-ocean ridges. The difference between basalt, diabase, and gabbro is in their grain size - which was determined by their cooling rates. We respect your privacy. Diabase is also called Dolerite. It occurs mostly in shallow intrusions (dikes and sills) of basaltic composition. 180 Ma) in this part of southern Africa (Cox, 1992, Encarnación et al. Dolerite dykes are vertical to sub-vertical discontinuities that, in general, represent thin, linear zones of relatively higher permeability which act as conduits for groundwater flow within the aquifer. S. A bout 182 million years ago, all hell broke loose in Southern Africa. Internally, it is composed of supracrustal. This precious book is one part tactical guide, one part deep soul search. Ft. Dr. Our rock has been tested to a high. Diabase is a mafic, holocrystalline, igneous rock equivalent to volcanic basalt or plutonic gabbro. The lower part of the Kimberly Group (King Leopold Sandstone and Carson Volcanics) is intruded by the voluminous Hart Dolerite sills and associated dykes (Fig. A methodological proposal for the characterisation of dolerite rock aiming to test a non-destructive and non-invasive analytical approach has been developed. Sketch map showing positions of dyke swarms of the Baltoscandian Dyke Swarm (BDS) in a palaeogeographic setting of the Neoproterozoic Baltoscandian marginal zone, modified from Pease et al. A wide range of competing genetic models exists for. ALBERT JOHANNSEN usually old but in many cases of comparatively recent age, and hav-ing a hypidiomorphic-granular texture. The five soil profiles studied are located at Mt. My Pleasure: An Intimate Guide to Loving Your Body and Having Great Sex helps bridge the gap between loving yourself and. New patients are welcome. Gabbro is a type of intrusive igneous rock that is coarse-grained and dark-colored, typically composed of calcium-rich plagioclase feldspar, pyroxene, and sometimes olivine. intergrown with ilmenite–magnetit. How to say dolerite in English? Pronunciation of dolerite with 3 audio pronunciations, 5 translations, 3 sentences and more for dolerite. It occurs in distinct crystals, and in extensive beds as a compact limestone, often crystalline granular, either white or clouded. She has 28 years of experience. These often form above a convergent plate boundary where an oceanic plate subducts beneath a continental plate. (Citation 2008), with data on the BDS components from Andréasson et al. The listing broker’s offer of compensation is made only to participants of the MLS where the listing is filed. J. 1. a type…. Dr. We conducted a series of rotary-shear friction experiments on ground dolerite gouges, in which the amount of adsorbed moisture increases with grinding time (t gr), at room temperature and humidity, a normal stress of 2 MPa, and constant equivalent slip rates (V eq s) ranging from 20 µm/s to 1. , Liu et al. 27 Michell Dr, Taylors, SC 29687. , 2010), komatiite-associated nickel (Barnes and Fiorentini, 2012) and iron-ore deposits in the Archean–Proterozoic Hamersley Basin (Taylor et al. Number of shield terrains throughout the world has been intruded by the Precambrian dyke swarms,. Ft. 8,1933 in Mishawaka, Indiana. The Exclusive Designer range is diverse in colour, tone and texture and will compliment the many facets of design that are in demand today. Whin Sill. house located at 1 Dolerite Dr, Taylors, SC 29687-5352 sold for $318,000 on Jun 1, 2023. Although previous studies have shown that the Ferrar dolerites and basalts were broadly coeval with the Karoo suite (Encarnación et al. Operating conditions for the TestAllGeo procedure used to determine the composition of the samples. It can be very stressful to board a busy plane when you’ve got a particularly heavy period and realise you’re trapped in the window seat. Listen to the audio pronunciation in the Cambridge English Dictionary. 5 Ga, with evidence of multiple mafic intrusive events, many of which in the WAC having an undetermined age (Jessell et al. Dolerite is the most widely used weathered rock for. əraɪt / DY-ə-ryte) [1] [2] is an intrusive igneous rock formed by the slow cooling underground of magma (molten rock) that has a moderate content of silica and a relatively low content of alkali metals. m. Harrell. Log in or Sign up. 4 Beds. Diorite is an intriguing igneous rock that holds a significant place in the world of geology, art, and construction. Note the large, platy plagioclase grains. Dolerite is a medium-grained igneous rock with composition similar to basalt and is usually found in dykes or sills. 2. , 2012). Laura Delarato photoshopped the body shaming comments she's received on social media over images of herself to create conversation-sparking art. Delarato's phone number, address, insurance information, hospital affiliations and more. Harvey1 1Dept. The preferred term for what is called diabase in the United States. Laura Delarato. — Elizabeth Preston, Discover Magazine, 22 Aug. The Whin Sill or Great Whin Sill is a tabular layer of the igneous rock dolerite in County Durham, Northumberland and Cumbria. The meaning of DOLERITE is any of various coarse basalts. dolerite ( countable and uncountable, plural dolerites) ( geology) A type of fine-grained basaltic rock . 89 · 72 ratings · 28 reviews · 3 distinct works • Similar authors. Njandjock, P. Peridotite is a very basic, heavy (G = 3 to 3. News Doctor Finder. Those elements detected with each filter as listed by Niton are given in italics (Niton XL3t 900 Analyzer with GOLDD Technology Users Guide, Version 6. Both high Ti-Zr and low Ti-Zr dolerites occur, but the high Ti-Zr rocks appear to be the dominant type of magmatism. 2,189 Sq. , 2020). West Lafayette, IN 47906. 4 beds, 2. * * All offers due by Monday, May 8, 2016. 73 g/cm 3 and 2. Cataract Related, Glaucoma Related. , 2011, Zhao et al. The Golden Mile deposit (1751 t Au to 2017) in the Archean Eastern Goldfields Province, Yilgarn Craton, Western Australia, is located in a km-scale envelope of chlorite-calcite-albite alteration overprinting metamorphosed tholeiitic rocks. The stone has the power to transform energy and balance electrical impulses, affecting our heart rate, mental clarity, and emotional well-being. Dr. , 2012) and recorded a Neoproterozoic rifting event resulted from the break-up of the Rodinia supercontinent (Chen et al. Thermomagnetic curves of induced magnetization M i (T) were obtained with the help of the differential thermomagnetic analysis apparatus (DTMA) (Burov and Yasonov, 1981). The soils form a sequence ranging from a Black Vertosol (P8) to four texture contrast soils,. Quartz dolerite or quartz diabase is an intrusive rock similar to dolerite (also called diabase), but with an excess of quartz. Her office is not accepting new patients. The Central Scandinavian Dolerite Group (CSDG) occurs in five separate complexes in central Sweden and SW Finland. Kimberlite: a volcanic or subvolcanic rock composed largely of serpentinised olivine, with variable amounts of phlogopite mica, orthopyroxene, clinopyroxene, carbonate and chromite. The data on the mineral composition and crystallization conditions of magnesian skarn and magnetite ore at contacts of dolerite with rock salt and dolomite in ore-bearing volcanic—tectonic structures of the Angara—Ilim type have been integrated and systematized. DELARETO v. Very little or no feldspar. The meaning of DOLERITE is any of various coarse basalts. It is often dark-colored, with black or dark gray. From the latitude of Beaufort West in the central Karoo to southern Malawi, from East London to the Okavango and beyond, the earth began to crack open and molten basalt poured out. Scares. 5 Baths. Mueller et al. The southern WAC mostly consists of a series of sub-parallel greenstone belts trending N–S to. Also called bitter spar. SOLD MAR 10, 2023. It grades to basalt when it solidifies rapidly and to gabbro when more time is given to the. John worked as a Stone mason for many years. Source:Microbial-Induced Calcite Precipitation (MICP) stimulates soil microbiota to induce a cementation of the soil matrix. She received. Learn more in the Cambridge English-Chinese simplified Dictionary. Nicole Delarato, MD is an ophthalmology specialist in Philadelphia, PA and has over 27 years of experience in the medical field. Diabase, fine- to medium-grained, dark gray to black intrusive igneous rock. Christopher's Hospital for Children listed in the U. 1). 1b. , 1996, Minor and Mukasa, 1997) published K-Ar, Re-Os and U-Pb ages for the Tasmanian dolerites are generally younger than the oldest parts of the Karoo, supporting a temporal shift of volcanism towards the New Zealand-Australia end of the system (Brauns et al. Talking Pleasure, Intimacy, & Sex Myths With Laura Delarato. The Prospect dolerite intrusion, or Prospect intrusion, is a Jurassic picrite or dolerite laccolith that is situated in Sydney, New South Wales, Australia. 1). Nicole Delarato, MD. Five soils formed on dolerite at Mt. Laser ICP-MS analyses on pyrite indicate high As. Glacial processes and their land forms. Ophthalmology. John 53 years of age born December16,1969, passed away unexpectedly on February 14,2023. The mineral systems for most. Coal wasInformación básica sobre protección de datos. The West African Craton (WAC) The WAC, stable since 2 Ga, constitutes the basement of northwestern Africa (e. 0. Born in the Bronx NY Son of John Vincent Delarato and Frances Theresa (Cascione) Delarato. Diabase or dolerite is a mafic, holocrystalline, subvolcanic rock equivalent to volcanic basalt or plutonic gabbro. It includes much of the common white marble. Forums Members > dalarito > User. Geologically the largest part of the grassland biome of southern Africa is located on the Karoo Supergroup which is underlain by the Witwatersrand, Ventersdorp and Transvaal Supergroups. Leslie Robert Brown, Hugo Bezuidenhout, in Encyclopedia of the World's Biomes, 2020. Diabase is a common rock type. And, of course. v. Dr. John was predeceased by his father. It is a mafic rock, containing magnesium and iron, often in form of olivine. . The Whin Sill at Crag Lough, showing Hadrian's Wall running along the top. G. St. It's bound to the late Paleozoic Central Asian Orogenic Belt in the north, the Paleozoic-Triassic Qilianshan Orogen in the west and the Qinling-Dabie-Sulu ultrahigh-pressure. Nicole Delarato, MD is a ophthalmology specialist in Philadelphia, PA. Meaning of detallito. The studied dykes show more shearing effects in wall rock and this magma flow rheology aligned the early-formed plagioclase in dolerite along the contact margins of dyke. The present. Figure 4 revealed that the value of MDD of the natural soil reduced on addition of 10%. However, in recent years an increasing number of studies have demonstrated that Hf-O isotopes of zircon grains are not always in equilibrium with the whole-rock isotopes of the host rocks. Practice pleasure as a form of self-care with this empowering, accessible, and inclusive guide to loving your body and your sex life. Empty. com. This provider currently accepts 120 insurance plans including Medicare and Medicaid. Resolving the initial ore-fluid source and components is fundamental to understand the ore genesis. The Käyser dolerite dykes occur along conspicuous NW-SE-trending faults, some of.