Sks zn ba hywan. The Zeida Pb-Zn, Ba deposit, examined in the present work, is located at the western extremity of the Aouli inlier, 30 km North-West of Midelt city (Figs. 1 and 2).It is a stratiform ore deposit with mineralized bodies hosted by the Upper Triassic arkoses directly overlying the Variscan granitic massif of the Upper Moulouya district (Amade 1965; Emberger 1965a, b; Schmitt 1976; Dagallier ...

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Sks zn ba hywan. In particular, Zn-doped BTO model at 50% shows an increase for c lattice parameters; this behavior is generated by equal quantities of Zn and Ba atoms, which distorts the crystalline structure. Although such effect was observed, the results for μ structural coefficient ( Table 2 ) indicate that tetragonal structure was unchanged, once the ...

Extrusions of Mg-Zn, Mg-Zn-Ca, Mg-Zn-Sr and Mg-Zn-Ba alloys were prepared. The chemical compositions of the Mg alloys are listed in Table 1.After the Mg alloys had been heated in a furnace at 723 K, and unidirectional rolling was performed at a rolling reduction of 20% per pass.The rolling direction (RD) was perpendicular to the extrusion direction.

The Hammam Zriba F-Ba-Zn-Pb deposit is located about 8 km SE of Zaghouan town and 60 km south of Tunis. It is situated in a horst structure, with varying thickness (0.3–1 km) and NNW–SSE strike over ∼3 km (Fig. 2). This horst has formed during late Jurassic as an emerged block bounded by major faults that were remobilized …In this work, the electronic structure and phase stability of MO (M = Be, Mg, Ca, Sr, Ba, Zn, Cd) and related ternary alloy M x Zn 1−x O in the B1, B3 and B4 phases were investigated via density-functional theory calculations using hybrid exchange–correlation functional.

A stable superhydrophobic ZnO/Zn-Al/Al 2 O 3 surface (ZnSHS) was fabricated on Al substrate by etching in NaOH solution, immersion in the aqueous solution of Zn(NO 3) 2 , and finally, thermal annealing treatment. Thus, theZnO/Zn-Al/Al 2 O 3 SHS hasBa or Zn. As a next step, Ba, Zn and Ga were placed into a new alumina crucible with an initial stoichiometry of Ba 0:45Zn 0:45Ga 0:1 (shown on the ternary phase diagram in Fig.1) and sealed in an amorphous silica tube. The am-pule was heated up to 800› over 5 hours, kept there for FIG. 1. (color online) Ternary phase diagram of Ba-Zn-Ga.Literally, millions of SKSs (along with plenty of cheap 7.62×39 to feed them) were imported from China between the mid to late ‘80s and 1994 when President Clinton signed the Norinco Ban, making them the most abundant SKS variant in the United States by far. A Russian Tula SKS brought back from Vietnam. Photo: Rock Island Auction Company.Literally, millions of SKSs (along with plenty of cheap 7.62×39 to feed them) were imported from China between the mid to late '80s and 1994 when President Clinton signed the Norinco Ban, making them the most abundant SKS variant in the United States by far. A Russian Tula SKS brought back from Vietnam. Photo: Rock Island Auction Company.We would like to show you a description here but the site won't allow us.Zn-IV-N 2 semiconductors display outstanding optoelectronic behavior and hence developed as an effective thin film absorber materials in photovoltaic devices. However, alkaline-earth metallic dopants can improve the performance of Zn-IV-N 2 semiconductors. In view of this, Barium (Ba) acceptor was successfully doped into ZnSnN 2 crystal lattice with various dopant concentrations (∼0-7%) by ...The two main SKS styles in the United States are the Yugoslavian (top) and Chinese Norinco (bottom) SKS. The SKS is one of the most prolific surplus rifles. We hands-on review the Yugoslavian and Chinese variants plus some potential issues and even upgrades. We review products independently.Certifications : LME grade Zn and Pb, ISO 9001 Certified; Background Information. Located in the Rajsamand district of Rajasthan in Northwest India, the zinc smelter at Dariba was commissioned in March 2010 and notably, in July 2011, a 100,000 MT per annum lead smelter was set up. ... SKS - Smelt Reduction Electro-Refining:

Historic Vietnam Bring Back Chinese Type 56 SKS Semi-Automatic Carbine with Folding Bayonet and Capture PapersManufactured in China at Factory 26, this Type 56 Carbine was one of many to be sent South during the Vietnam war by the Chinese as aid to the communist North Vietnamese, and such carbines were used extensively throughout the conflict. According to the included DD Form 603 war trophy ...The electrochemical cycle behavior of the pasted zinc electrodes for commercial ZnO, active ZnO, the physical mixture of active ZnO and Ba(OH) 2 (the molar ratio of Zn:Ba=1:1), and the samples prepared by the chemical reaction method in 4 M KOH solution is illustrated in Fig. 2. At the beginning of cycling, the active ZnO prepared in laboratory ...Jan 17, 2020 · Characterization and structural analysis of Zn • (BA) • (BBI). Figure S3 shows SEM and TEM images of Zn • (BA) • (BBI).Crystal powder exhibits irregular nanoparticle structure (Fig. S3c and S3d) compared to crystal smooth bulk structure (Fig. S3a and S3b).This result was further confirmed by TEM (Fig. S3e).The X-ray energy spectrum of …The Ba-Zn system was investigated by differential thermal, metallographic and X-ray analysis. Among the five intermediate phases identified, the Ba 2 Zn, BaZn and BaZn 13 compounds melt congruently at 360 °C, 340 °C and 885 °C respectively, while BaZn 2 and BaZn 5 form peritectically at 380 °C and 635 °C. Three eutectics are formed ...

SKS & AK47 Web Sling for - Black - Chinese Rifle Fits PolyTech $19.95. $22.95. SKS Metal Round Oil Bottle - Chinese Fits PolyTech Rifle $11.95. Only 3 left in stock. SKS Scope Package RED STAR Mount Fits PolyTech Rifle $141.95. SKS "Cheese Grater" Vented Handguard - Chinese Fits PolyTech Rifle ...

6 days ago · The SKS rifle is effective at a firing range of 440 yards. Its muzzle velocity 734 m/s (2,411 ft/s) is extremely powerful for its time of conception. The chrome-plated barrel extends to 20 inches on the 520 mm and 22 inches on the M59/66. Furthermore, the SKS carbine features a front and rear sight.

The Wusihe carbonate-hosted Zn-Pb deposit (3.7 Mt. Zn + Pb at a grade of 8.6% Zn and 2.0% Pb) is the largest deposit in the Dadu River Valley district of the Sichuan-Yunnan-Guizhou metallogenic ...Sksy kwn tngThe Kouh-Kolangeh carbonate-hosted Zn-Pb-Ba deposit is hosted by Lower Cretaceous detrital-carbonate sequence in the central part of the Malayer-Isfahan metallogenic belt (MEMB) and has been ...Los depósitos VMS o depósitos de sulfuros masivos volcanogénicos (VMS: «volcanogenic massive sulfide») son cuerpos estratiformes o lenticulares de sulfuros presentes en unidades volcánicas o en interfases volcánico-sedimentarias depositadas originalmente en fondos oceánicos. A menudo, los depósitos consisten en un 90% en pirita masiva ...Belum terlalu memahami apa itu SKS? Kepanjangan SKS itu sendiri adalah Satuan Kredit Semester. Yuk, simak pengertian detailnya di sini!

Sksy kwn tngCheck the outside of your plane if you want to know if it has BA's new Club Suite. British Airways is finally flying its new business class, called Club Suite, to the US. The first...The world of SKS. Since the company's inception, SKS Welding Systems pioneered automated arc welding as an innovative system partner of the automotive industry and their suppliers. Already in 1989, we developed and produced – in cooperation with our technology partner Leipold – the first weld process controller for robot and automatic ...OLX.ba - Svijet kupoprodaje - Kupovina, Prodaja, Iznajmljivanje, Sarajevo, Mostar, Zenica, Banjaluka, Tuzla, Stan, Stanovi, Kuće, Zemljišta, Poslovni prostori ...Sks ba zn dadash - Feb 14, 2020 · Ba-zn Ca-Zn KD Chem Remarks Remarks Product Name Lox-noo LOX-386S LOX-386L LTX£20N Product Name CX460 cx-700 LOX-202A cox-430W LOX-208H DPA-800 Grade Grade BIË-ÂE .History. SKS Airways was founded in November 2017, receiving its AOC in October 2021, and launched its first commercial flight from Subang to Pangkor, on 25 January 2022. The airline received its first DHC 6-300 Twin Otter on 15 July 2019 and their second on 23 December 2020.. It was reported in 2021 that the airline was planning to order ATR 72-500 aircraft, with job advertisements for pilots ...SKS Stock Sleeve Crossbolt With Nut - Chinese Fits PolyTech Type 56 Rifle $89.95. Recoil Spring - SKS - 7. 62x39 mm $13.95. PolyTech Chinese Type 56 SKS - Recoil Spring Guide Rod $9.95. Out of stock. PolyTech Chinese SKS Gas Piston Stainless - Made In The USA! $41.95. Out of stock. SKS AK-74 Type Recoil Compensator - Chinese PolyTech Rifle ...Four new metal-organic supramolecular networks, namely, [Zn(H2pdc)2(H2O)2]·2H2O·bbi (1), {[Cd(Hpdc)2]·2H2O2·H2bbi}n (2), [Zn(BA)2(bbi)]n (3), and {[Cd(BA)2(bbi)]·H2O}n (4) (H3pdc = 3,5-pyrazoledicarboxylic acid, HBA = 3-hydroxybenzoic acid and bbi = 1,1′-(1,4-butanediyl)bis(imidazole)) have been synthesized under hydrothermal conditions and characterized by IR spectra, elemental ...963 posts · Joined 2013. #1 · Feb 18, 2020. The very first SKS Sniper rifles were made in Russia for trials in 1949, they used a mount very similar to the ms74 mount that was also tried on Mosin Nagant sniper rifles around the same time, also in 1949. It is interesting to note that at this time, in 1949, several modifications to the Mosin PU ...Ycnfsnic [email protected].DR. DELMA JEAN V. ABAD. Center For Equity Inclusivity and Diversity Director. RHODAVIV V. AVILA. Director, Office of Student Services and Development.The new Sanya International Duty Free Plaza in Hainan Island is located at Hangzhou Square in downtown Sanya.The Hammam Zriba F-Ba-Zn-Pb deposit is located about 8 km SE of Zaghouan town and 60 km south of Tunis. It is situated in a horst structure, with varying thickness (0.3-1 km) and NNW-SSE strike over ∼3 km (Fig. 2). This horst has formed during late Jurassic as an emerged block bounded by major faults that were remobilized later during ...C&R FFL Eligible. SKS Rifle Yugoslavian Model 59-66 NM. Yugo SKS 59/66 Rifle is chambered in 7.62x39 semi auto and was in Military service from 1959 & saw service with other country's well into the 1990's. The design and function is very close to the Russian SKS design however the 59/66 added the ability to fire 22 mm rifle grenades.The Jebel Lassel (JL) and Bou Izem (BIZ) Pb-Zn-F mineralizations are widely found in the Djamila nappe which is the dominant structural unit in the Kherrata area (northern Algeria). They are hosted respectively in Upper Cretaceous limestone and marly limestone and in dolomite from a Triassic complex at the contact of the thrust sheets. They occur in tension veins of different fillings and ...The Akiri Cu ± (Ag) deposit represents a distinct sub-class of sediment-hosted Pb-Zn-Cu-Ba mineralization found throughout the Benue Trough. The deposit is hosted in bleached red beds of the ...This SKS-45 is a Chinese-made Type 56 carbine, dating from the Vietnam War-era, complete with U.S. military "bring back" papers. (Photo: Guns.com) Produced at China's Jianshe Arsenal #26, it...Nov 4, 2014 · This periodic table shows the relative sizes of the atoms of each element. Each atom’s size is relative to the largest element, cesium. Atom size values are calculated from atomic radius data. This table shows how the atom size, and atomic radius values change as you move horizontally and vertically across the periodic table.The Simonov SKS carbine was officially adopted by the Soviet Army in 1949, as a part of the new small arms system, built around the new 7.62mm Model 1943 cartridge (7.62x39mm).The SKS carbine was officially adopted as a primary infantryman's' rifle, to replace obsolete Mosin M1891/30 rifles, M1938 and M44 carbines, as well as the Tokarev SVT-40 semi-automatic rifles, which all fired the ...Bahwan founded BCT in 1999. She is also the Chairperson of the Omani French Friendship Association, and in 2020 she launched a fragrance brand, Ojar. 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Hywan Mhamad Sakka is on Facebook. Join Facebook to connect with Hywan Mhamad Sakka and others you may know. Facebook gives people the power to share and makes the world more open and connected.Apr 15, 2012 · 14019 posts · Joined 2011. #9 · Apr 15, 2012. There was a bunch of Chinese rifles imported in the early 1990's that had that same finish and blade bayonets. I had one that also had those features, along with a scope mount rail riveted to the left side of the receiver, with the stock notched out (and left unfinished) to accommodate the mount .Official website of Toyota in Oman. Discover the Toyota range of vehicles that include sedan, SUV, pickups, hybrid and commercial vehicles. Get prices, download brochure or visit the Toyota showroomThe Akiri Cu ± (Ag) deposit represents a distinct sub-class of sediment-hosted Pb-Zn-Cu-Ba mineralization found throughout the Benue Trough. The deposit is hosted in bleached red beds of the Keana Formation and in shale-siltstones and carbonates of the Ezeaku Formation in the Middle Benue Trough, North-Central Nigeria.Gas piston wear. As with any used gun, bring a cleaning rod or boresnake when shopping. A fresh slime of oil hides some bad sins in that barrel. Russians are great SKS rifles, but just as good yugoslavian SKS go for much less. The only weakness in the yugos are the complicated gas system and soft metal firing pins.You can earn double — or more — Avios on eStore purchases through the BA shopping portal. For a limited-time only, British Airways is offering up to double Avios — and sometimes mo...Nielsen has recently reported that 46% of viewers aren't skipping the commercials on their pre-recorded DVR programs. That number seemed ridiculously high to us, so we're asking yo...

Abstract. Using the hybrid exchange–correlation functional within the density-functional theory, we have systematically investigated the structural and electronic properties of MO (M = Be, Mg, Ca, Sr, Ba, Zn, Cd) in binary rock salt (B1), zinc-blende (B3) and wurtzite (B4) phases, including the structural parameters, bulk moduli, band gaps and deformation …Step 4: Substitute Coefficients and Verify Result. Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced. Ba (NO3)2 + 8 Zn + 14 KOH = 2 NH3 + BaZnO2 + 7 K2ZnO2 + 4 H2O. Reactants.Welcome to the Albanian sks guide! FORUM, SKS-FILES.COM!! This website will detail all aspects of the Albanian Model 561 SKS carbine including important data, research, descriptions, pictures, and more. Many collectors have contributed this far, but we still have a long way to go and will be updating the site regularly. If you would like to ...We report on a controlled synthesis of MAl2O4 (M = Mg, Co, Ni, Zn, Ba) nanopowders. The method includes three main steps: (i) growth of ultraporous nanofibrous Al2O3 monoliths (UPA) and their ...Sep 15, 2008 · The homogenisation of the Ba-containing alloy was conducted at 430 °C which shows that even a small amount of Ba raises the solidus temperature of the alloy considerably.At temperatures higher than 435 °C, some grain boundary melting was observed.Such a high solidus temperature of Mg–Zn alloy containing a micro-alloying …PDF | On Aug 17, 2023, Sargol Rahimi and others published Consideration of mineralogy, fluid inclusions and type of Pb-Zn-Ba mineralization of the Neyzar deposit, Tabas-Poshte Badam metallogenic ...One-stop design, consultancy, supply, manufacture & build company. S. KIAN SENG SDN BHD was established in the year 1974 as a furniture business in a modest 450m2 factory producing only office chairs. Today, SKS Group has grown into a globally renowned multinational company with a total floor space of 55,000m2 (75,000m2 by end of 2018) and is ...In this study, based on the highly disordered multi-component system with high-entropy and traditional perovskite with high dielectric constant, a series of the Al 3+-doped high-entropy perovskite (Zn 1/6 Ba 1/6 Ca 1/6 Sr 1/6 La 1/3)Ti 1-x Al x O 3 (0 ≤ x ≤ 0.1) ceramics was designed and synthesized by using a solid state reaction method to explore the effects of different doping amounts ...The results showed that the prepared metal stearates are good thermal stabilizers for PVC; also the thermal stability of the prepared (Ca/Ba/Zn) stearate was enhanced when melamine, ammonium poly phosphate, magnesium hydroxide and Ca/Zn phosphate are mixed with it. Keywords:poly vinyl chloride, thermal stabilizer, metal stearates.Zn 2+ containing two water and three urea molecules in the first solvation shell desolvated with three urea ligands forming the [Zn(H 2 O) 2 (NH 3) 3] 2+ complex, which could promote dendrite-free zinc metal anode. Zhang et al. engineered zincophilic sites on the Zn surface via plant extract additives to guide the uniform Zn deposition [6]. The ...Historic Vietnam Bring Back Chinese Type 56 SKS Semi-Automatic Carbine with Folding Bayonet and Capture PapersManufactured in China at Factory 26, this Type 56 Carbine was one of many to be sent South during the Vietnam war by the Chinese as aid to the communist North Vietnamese, and such carbines were used extensively throughout the conflict. According to the included DD Form 603 war trophy ...Yugoslavian SKS M59/66 Extractor Spring. New Old Stock Condition. Perfect replacement part for your rifle or good to keep a spare on hand!.. $6.00.Top 100 Arab FamilyBusinesses 2023. Top 100 Arab Family. Businesses 2023. 27. Saud Bahwan Group. Established: 1965. Country: Oman. Chairman : Mohammed Saud Bahwan. Saud Bahwan Group is a conglomerate with a presence in the automotive, heavy vehicles, industrial equipment, and travel and tourism, among other sectors.Un-doped and Ba-doped ZnO nanoparticles (Zn 1− x Ba x O 0 wt% ≤ x ≤4 wt%) were prepared by the sol–gel method and annealed at 500°C for 4 h under air atmosphere. . Several techniques such as X-ray diffraction (XRD), transmission electron microscopy (TEM), energy dispersive X-ray spectroscopy and scanning electron microscopy were used to characterise the as-preparedA nonlinear-optical crystal Ba 5 Zn 4 (BO 3) 6 (BZBO) is obtained that is constructed with [Zn 4 (BO 3) 4 O 6] ∞ units bridged by planar BO 3 groups along the a axis based on the flexibility of the BO 3 and ZnO 4 groups. The distance between adjacent [Zn 4 (BO 3) 4 O 6] ∞ layers in BZBO is 5.07 Å, which is much shorter than those of KBe 2 BO 3 F 2, Ba 2 Zn(BO 3) 2, and Na 2 CsBe 6 B5O 15.The speciation of Zn and Ni in ferromanganese nodules from loess soils of the Mississippi Basin was determined by a synergistic use of three noninvasive synchrotron-based techniques, providing a new method for determining trace metal speciation in both natural and contaminated environmental materials. ExpandA group of specialised liquid soap stabilisers allied to barium/zinc soaps are zinc or potassium/zinc soaps. These are generally laurates or octoates and are used as PVC stabilisers and as activators (or ‘kickers’) for the blowing agent used in making the foamed layer in a number of plastisol applications. Properties and Applications.The SKS, short for Self-Loading Carbine of the Simonov System, is the odd one out. Developed in the interim between the Mosin-Nagant and the AK-47, Sergei Simonov's semi-automatic carbine had a mere 10-round internal box magazine, an improvement from the fundamentally 19th-century design of the five-round, bolt-action Mosin.

When moving down a group (family) in the periodic table, the number of valence electrons? a. remains constant. b. increases by 2 then 8 then 18 then 32. c. doubles with each move. d. decreases regularly. e. changes in an unpredictable manner. a. Which of the following atoms has the highest ionization energy? a.

Step 4: Substitute Coefficients and Verify Result. Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced. Ba (NO3)2 + 8 Zn + 14 KOH = 2 NH3 + BaZnO2 + 7 K2ZnO2 + 4 H2O. Reactants.

Laouar R, Salmi-Laouar S, Sami L, Boyce AJ, Koli O, Boutaleb A, Falik AE (2016) Fluid inclusion and stable isotope studies of the Mesloula Pb-Zn-Ba ore deposit, NE Algeria: Characteristics and origin of the mineralizing fluids. J Afr Earth Sci 121:119-135. Article Google ScholarBARIUM-ZINC STABILIZERS. The standard family of stabilizers for PVC paste applications in replacement of Cadmium stabilizers. Our complete range of BaZn stabilizers are improving clarity, weatherability, color stability, durability, compatibility with white pigments while guaranteeing low migration and low odor creation. Also commonly used as ...SKS rifles are still available, albeit 2020 price is closer to $350 or $400. Even at that though, it gets you a semi-auto rifle that does a pretty decent job in combat terms. Ammo, so far at least, is easier to get and at a more reasonable price. I never thought I would see steel case 7.62x39mm at 33 cents per round, but it is still more ...Good morning, Quartz readers! What to watch for today A huge blizzard looms. Airlines have canceled more than 800 flights after the US National Weather Service said two to three fe...The spin-orbit splitting of Zn 2p 3/2 and 2p 1/2 is 23 eV which corresponds to ZnS.20 Relatively weak peaks at 368 and 374 eV were also observed as shown in the Fig. 3(d) which correspond to the Ag 3d 5/2 and Ag 3d 3/2 binding energy, respectively, which is characteristic of Ag + in the Ag 2 S product.22,23 In XRD, no peak corresponding to Ag ...Find the best SKS build in Arena Breakout and get to know which ammo you should use with this weapon inside this article. The SKS is a carbine that use 7.62x39mm ammo type and it has good firing power which can generating a fire rate of 300 rate of fire with an effective range of 110 meters.. The SKS is a strong gun that deal high damage which is great for medium to long range combat.BCT, a CMMi Level-5 company, delivers global digital transformation solutions with innovative software products, cognitive solutions, & growth accelerators.Fiber-shaped Zn batteries are promising candidates for wearable electronics owing to their high energy and low cost, but further studies are still required to address the issues related to detrimental Zn dendrite growth and limited low-temperature performances. Here, we report an antifreeze, long-life, and dendrite-free fiber-shaped Zn battery using both nanoporous Zn and polyaniline (PANI ...

od zera do bohaterawww.dsw.com womensksy ba kyfytanjlyna jwly sks Sks zn ba hywan zafpercent27s party store [email protected] & Mobile Support 1-888-750-5148 Domestic Sales 1-800-221-9206 International Sales 1-800-241-2235 Packages 1-800-800-2589 Representatives 1-800-323-4249 Assistance 1-404-209-8173. KUALA LUMPUR: New airline SKS Airways Sdn Bhd is scrambling to secure funding to pay for the delivery of 10 leased Embraer E195-E2 aircraft and is believed to have halted …. undefined randr sun serum Download scientific diagram | MOF-2, Zn-BA and Zn-mTA clusters constructed using Zn 2 (CO 2 ) 4 containing metal units and organic ligands. (a) Crystal structure of MOF-2. (b) Structure of Zn-BA ...The Akiri Cu ± (Ag) deposit represents a distinct sub-class of sediment-hosted Pb-Zn-Cu-Ba mineralization found throughout the Benue Trough. The deposit is hosted in bleached red beds of the Keana Formation and in shale-siltstones and carbonates of the Ezeaku Formation in the Middle Benue Trough, North-Central Nigeria. wendypercent27s 1 cent burgers limitcaseypercent27s gas prices today (Zn 2+ and B 2+) and that of V 5+ as well as O 2-, it is assumed that Zn 2+ and Ba 2+ ions might be substituted for Ca 2+ lying in octahedral spaces in t he structure of CaV 2 O 6 ceramic. 3.2. fylm kyrxxtra hot cheetos sam New Customers Can Take an Extra 30% off. There are a wide variety of options. Nov 23, 2021 · The Jebel El Akhouat Zn-Pb-(Ba-Sr) ore deposit, located in the Tunisian Dome zone, is hosted mainly in the organic matter-rich Albian and Cenomanian–Turonian rocks. The orebodies occur mainly as open-space fillings and are structurally-controlled. The paragenetic sequence consists of three stages, which reflect three ore events. …Dating of Mississippi Valley-type (MVT) Pb-Zn-Ba ore deposits is a challenge because they usually occur in undeformed and unintruded platform carbonates and rarely contain minerals suitable for radiometric dating. However, these ores can be dated paleomagnctically and 10 such studies that meet current technical standards have been completed on ...Mineral paragenetic sequence of Ba-(Zn-Pb) primary and supergene mineralizations in the Caïd area (data of . the protore stage from [21]; data of the su pergene stage from [21] and this study).