... Marziano et al., 2008 ; Mollo et al., 2010 ; Di Stefano et al., 2018 ). Figure 2. (A) CaO olivine (wt%) and (B) Fo olivine versus CaCO 3 added (wt%) in experimental melts obtained by adding variable amounts of CaCO 3 . Olivine compositions of starting samples (BM1, BM2, and BM3) are reported...

... with a Cameca SX50 (15 kV, 15 nA) using the PAP data-correction procedure ( Pouchou and Pichoir 1984 ). F igure 1. Positions of all relevant phases in the system CaO-MgO-SiO 2 -TiO 2 (CMST); di = diopside, en = enstatite, fo = forsterite, geik = geikielite, pv = perovskite, sph = sphene, Ti-di = Ti...

... a, di am ag ne ti c at " 0. 5) ti lt of F ra nt z m ag ne ti c se pa ra to r at m ax im um cu rr en t. C on ce nt ra ti on s ar e kn ow n to 10 2 0% fo r sa m pl e w ei gh ts be lo w 20 ìg . T ot al co m m on P b pr es en t is co rr ec te d fo r co m m on P b in th e sp ik e. §M ea su re d ra ti o co...

... synthesized to facilitate study of this system. Location of the piercing point on the forsterite–diopside bounding join has been established at Fo 39 Di 61 (all compositions are in wt.%) and 1980 ± 20 °C. Electron microprobe analyses of the phases indicate that forsterite ss can incorporate about 1 to 1.5 wt...

...-silica (Di 84 Qt 16 ), and anorthite-diopside-forsterite (Di 49 Fo 7.5 An 43.5 ), along with akermanite. Heats of mixing of silicate liquid in those systems were calculated based on the DSC data. The liquids of Di 49 Fo 7.5 An 43.5 , An 42 Di 58 , An 46 Ak 54 , and Ak 42 Di 58 have negative excess...

... be fo re ab ra si on ,N M 1) fo r no n m ag ne ti c at a si de sl op e of 1) an d 1. 5 A .W t: w ei gh t of fr ac ti on ,m ul ti gr ai n fr ac ti on s of 6 to 50 gr ai ns ;P b r: ra di og en ic P b. T h/ U : T h co nc en tr at io n ca lc ul at ed us in g th e ab un da nc e of 2 0 8 P b an d th e 2 0 7 P...

.... In si tu an d di p- co rr ec te d pa la eo m ag ne ti c di re ct io ns an d po le s fo r L ew is ia n ro ck s fr om w ea th er in g pr ofi le s at P ol l a M hu ra in an d S he ig ra an d fo r sa nd st on es fr om th e A pp le cr os s F or m at io n in th e C ap e W ra th ar ea Si te L oc al it y/ lit...

... di fs 3"5 2"6 x .8 I "2 x "7 I "9 lay en . . . . x "8 hyfs . . . . 0"6 m ol fo 8-8 I4"7 x~'4 4"4 6"6 6. 7 ol fa 7"7 7"2 8.6 x.I 2"2 I. 9 mt o'9 o-2 m 2-4 2"3 2"4 il 2"5 o'7 o'7 o'7 o'9 o-8 ap . . . . 0"7 cc . - ~ 0"5 0.8 0.6 Plag An 51 62 54 46 49 45 O1 Fo 53 67 62 8o 75 78 Fspr + ne 62"9 56"9 66"6...

... of analytical data, the first two letters of the sample name identify the dyke, followed by an F (for Falklands) and the number shown in this figure. 902 C. MITCHELL ET AL. F ig . 3. V ar ia ti on di ag ra m s fo r se le ct ed m aj or an d tr ac e el em en ts v. M gO . H er e, an d in su bs eq ue nt fig ur es...

... of basaltic mag- mas at mid-oceanic ridges. The complemen- tary differentiate is, ultimately, the continental crust, which grows through time by the ac- cretion of island arcs and by the addition of the andesitic volcanic suite, derived as dis- cussed above. It is estimated that about 3o- 6o% of the volume...

... the pyroxene quad- rilateral Fig. 4. Olivines are generally sparse and difficult to Di Hd Di " . : : " " . ' ; . ." .. . . : - U , . . v "- ~ En FO+oo Fo4o DI Hd DI o o , , F low 5 Fs En .: ." . B l t i , , A , A A ,m , FO+o Foe \ Hd Fs Fig. 4. Representative pyroxene and olivine compositions...

... en t da ta fo r P an -A fr ic an gr an it oi ds in th e K id ar ea , S in ai pe ni ns ul a G ab br o di or it e co m pl ex Q ua rt z m on zo di or it e Q ua rt z m on zo di or it e G ra no di or it e- m on zo gr an it e Sy en og ra ni te M ea n 2ó M ax M in M ea n 2ó M ax M in M ea n 2ó M ax M in M...

.... The Hyllingen se- quence may be a continuation of the Fongen sequence with a c. 1500 m overlap. Average rocks show moderate iron enrichment in the intermediate stages of fractionation and strong alkali enrich- ment in the final syenites. Olivine ranges from Fos~ to Fo17; plagioclase from An7s to An01. Two...

... io rd la nd Sa m pl e no . R oc k ty pe G ri d re fe re nc e L oc at io n A ge M SW D C om m en ts T T 6 T it ir oa G ra ni te S1 58 -6 12 88 8 M ou nt T it ir oa 12 0. 9& 1. 8 M a 0. 86 13 /1 5 (I nh ) SF 2A T ak ah e G ra no di or it e S1 40 -7 28 29 8 H on ey m oo n B ea ch , So ut h F io rd , L...

... , di p sl ip at fla nk s T ig ht to is oc lin al fo ld s, re fo ld ed by E -v er gi ng as ym m et ri c fo ld s, di p- sl ip st re tc hi ng at fla nk s Is oc lin al fo ld s, re fo ld ed by la rg e st ru ct ur al te rr ac e w it h sh ea re d st ee p lim bs , di p- sl ip st re tc hi ng at fla nk s In te...

... BLN282 1/2 BLN282 1/8 BLN282 1/18 BLN277 b/43 BLN277 b/44 BLN277 b/34 BLN277 b/36 BLN277 b/37 SiO2 45.22 44.14 46.93 51.87 55.68 56.62 60.78 60.47 36.71 36.81 36.33 TiO2 0.24 0.49 0.41 0.16 0.00 0.07 0.01 0.00 1.29 0.99 0.69 Al2O3 8.17 10.70 8.29 0.84 27.99 28.16 25.18 24.93 8.80 9.04 10.11 Cr2O3 0.06...

...Y. Ogasawara; J. G. Liou; R. Y. Zhang Stability relations of coesite (Co), diopside (Di), diamond (Dm), dolomite (Do), enstatite (En), forsterite (Fo), graphite (Gr), magnesite (Ms) and CO 2 -bearing fluid at X CO 2 = 0.1 in the model system CaO-MgO-SiO 2 -C-O 2 -H 2 O were calculated at P = 4 to 8...

... for exsolution during cooling. Abbreviations: Di-diopside; Mo-monticellite; Hd-hedenbergite; Ks-kirschsteinite; Fo-forsterite; En-enstatite; Fa-fayalite; Fs-ferrosilite; solid dots are olivine and open circles are clinopyroxene compositions. Analyses of both the residual olivine that forms the host...

... al ag e, w ei gh te d fo r di V er en t pr ec is io ns of in di vi du al cr ys ta ls (s ee G al br ai th 19 92 ). LATE OLIGOCENE EVENTS IN BORNEO 181 (Table 1). The time of maximum temperature must have shortly preceded this rapid cooling. Predictive modelling of data similarly requires the time...

... of Copenhagen (Denmark). The other one (hereafter referred as ank-dis, Fig. 1c) is a fully disordered ankerite, that is the result of annealing the natural sample at 750 °C and 3 GPa for 4 hours. Thermal treatments were carried out using a 1/2 diameter internally heated piston cylinder apparatus located...