Citation:

PANGAEA.942402

Name: Modes calculated on a Cr and spinel-free basis of Hole CM1A
Published: 2022-03-15
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Dunites; Geochemistry; Harzburgites; Holes CM1A and CM2B; ICDP Oman Drilling Project; Oman ophiolite Crust-Mantle transition; Peridotite Carbonation; serpentinite; trace element

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Keyword(s):

Dunites; Geochemistry; Harzburgites; Holes CM1A and CM2B; ICDP Oman Drilling Project; Oman ophiolite Crust-Mantle transition; Peridotite Carbonation; serpentinite; trace element

Related to:

Kourim, Fatma; Rospabé, Mathieu; Dygert, Nicholas; Chatterjee, Sayantani; Takazawa, Eiichi; Wang, Kuo-Lung; Godard, Marguerite; Benoit, Mathieu; Giampouras, Manolis; Ishii, Keisuke; Teagle, Damon A H; Cooper, Matthew J; Kelemen, Peter B (2022): Geochemical characterization of the Oman Crust‐Mantle transition zone, OmanDP Holes CM1A and CM2B. Journal of Geophysical Research: Solid Earth, e2021JB022694, https://doi.org/10.1029/2021JB022694

Project(s):

International Continental Scientific Drilling Program (ICDP)

Oman Drilling Project (OmanDP)

Coverage:

Latitude: 22.910970 * Longitude: 58.335740

Event(s):

OmanDP_CM2A (CM2A) * Latitude: 22.910970 * Longitude: 58.335740 * Location: Oman * Method/Device: Core drilling (CDRILL)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Sample code/label	Sample label		Kourim, Fatma
2	Depth, top/min	Depth top	m	Kourim, Fatma
3	Classification	Classification		Kourim, Fatma		geochem+TS+Core
4	Olivine	Ol	%	Kourim, Fatma		norm
5	Orthopyroxene	Opx	%	Kourim, Fatma		norm
6	Clinopyroxene	Cpx	%	Kourim, Fatma		norms
7	Plagioclase	Pl	%	Kourim, Fatma		norm
8	Residual	Residual	%	Kourim, Fatma		norm
9	Lithology/composition/facies	Lithology		Kourim, Fatma	Core descriptions (VCD)
10	Olivine	Ol	%	Kourim, Fatma	Core descriptions (VCD)	Mode Ol from core description
11	Plagioclase	Pl	%	Kourim, Fatma	Core descriptions (VCD)	Mode Plag from core description
12	Clinopyroxene	Cpx	%	Kourim, Fatma	Core descriptions (VCD)	Mode CPX from core description
13	Orthopyroxene	Opx	%	Kourim, Fatma	Core descriptions (VCD)	Mode OPX from core description
14	Amphibole	Amp	%	Kourim, Fatma	Core descriptions (VCD)	Mode Amphibole from core description
15	Spinel	Spl	%	Kourim, Fatma	Core descriptions (VCD)	Mode Spinel from core description
16	Sulfide	S2-	%	Kourim, Fatma	Core descriptions (VCD)	Mode sulfide from core description
17	Comment	Comment		Kourim, Fatma	Core descriptions (VCD)	Summary for VCD
18	Olivine	Ol	%	Kourim, Fatma	Thin section descriptions (TS)	Mode Ol from TS description
19	Clinopyroxene	Cpx	%	Kourim, Fatma	Thin section descriptions (TS)	Mode CPX from TS description
20	Orthopyroxene	Opx	%	Kourim, Fatma	Thin section descriptions (TS)	Mode OPX from TS description
21	Spinel	Spl	%	Kourim, Fatma	Thin section descriptions (TS)	Mode Spinel from TS description
22	Sulfide	S2-	%	Kourim, Fatma	Thin section descriptions (TS)	Mode sulfide from TS description
23	Comment	Comment		Kourim, Fatma	Thin section descriptions (TS)	thin section notes
24	Serpentine	Srp		Kourim, Fatma	X-ray diffraction (XRD)	?
25	Brucite	Brc		Kourim, Fatma	X-ray diffraction (XRD)	?
26	Magnetite	Mag		Kourim, Fatma	X-ray diffraction (XRD)	?

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

893 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Sample label	2 Depth top [m]	3 Classification (geochem+TS+Core)	4 Ol [%] (norm)	5 Opx [%] (norm)	6 Cpx [%] (norms)	7 Pl [%] (norm)	8 Residual [%] (norm)	9 Lithology (Core descriptions (VCD))	10 Ol [%] (Mode Ol from core description...)	11 Pl [%] (Mode Plag from core descripti...)	12 Cpx [%] (Mode CPX from core descriptio...)	13 Opx [%] (Mode OPX from core descriptio...)	15 Spl [%] (Mode Spinel from core descrip...)	17 Comment (Summary for VCD, Core descrip...)	18 Ol [%] (Mode Ol from TS description, ...)	19 Cpx [%] (Mode CPX from TS description,...)	20 Opx [%] (Mode OPX from TS description,...)	21 Spl [%] (Mode Spinel from TS descripti...)	22 S2- [%] (Mode sulfide from TS descript...)	23 Comment (thin section notes, Thin sect...)	24 Srp (?, X-ray diffraction (XRD))	25 Brc (?, X-ray diffraction (XRD))	26 Mag (?, X-ray diffraction (XRD))
C5707A-51Z-1 W, 31.0--39.0 cm	125.560	impregnated dunite	0.68	0.26	0.00	0.00	-5.9	Plagioclase-bearing Wehrlite	75.0	15.0	10.0	0.0	0.0	Layer of plagioclase bearing wehrlite and dunite with increasing olivine proportion from the top to the bottom
C5707A-58Z-2 W, 1.0--6.0 cm	143.915	impregnated dunite	0.63	0.30	0.00	0.00	-7.0	Clinopyroxene and plagioclase-bearing Dunite	97.0	1.0	1.0	0.0	1.0	Clinopyroxene and plagioclase bearing dunite with high degree of alteration	98.0	2
C5707A-68Z-1 W, 19.0--26.0 cm	166.240	pure dunite	0.92	0.08	0.00	0.00	-0.3	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite
C5707A-70Z-2 W, 23.0--28.0 cm	169.860	pure dunite	0.87	0.10	0.00	0.00	-2.6	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	97.0			3.0		possible trace interstitial pesudomorphs	y	Y	y
C5707A-75Z-3 W, 66.0--73.0 cm	178.600	pure dunite	0.90	0.08	0.00	0.00	-1.6	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite
C5707A-76Z-1 W, 28.0--35.0 cm	179.530	pure dunite	0.88	0.09	0.00	0.00	-2.4	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	98.0			2.0		no plag or pyroxene pseudomorphs observed	y	y
C5707A-79Z-2 W, 11.0--18.0 cm	186.090	pure dunite	0.95	0.05	0.00	0.00	0.4	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.0			1.0		possible trace interstitial pesudomorphs
C5707A-80Z-1 W, 7.0--12.0 cm	188.320	pure dunite	0.90	0.08	0.00	0.00	-1.2	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.0			1.0		no plag or pyroxene pseudomorphs observed	y	y	y
C5707A-88Z-1 W, 0.0--5.0 cm	199.650	pure dunite	0.91	0.06	0.00	0.01	-2.1	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	98.0			2.0		possible trace interstitial pesudomorphs	y	y
C5707A-94Z-2 W, 62.0--69.0 cm	216.780	pure dunite	0.93	0.06	0.00	0.00	-0.5	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.5			0.5		possible trace interstitial pesudomorphs
C5707A-95Z-1 W, 63.0--68.0 cm	218.880	pure dunite	0.91	0.08	0.00	0.00	-1.1	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.0			1.0		possible trace interstitial pesudomorphs	y	y
C5707A-96Z-1 W, 40.0--46.0 cm	221.650	pure dunite	0.91	0.08	0.00	0.00	-0.6	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	100.0					possible trace interstitial pesudomorphs
C5707A-98Z-4 W, 20.0--25.0 cm	229.675	pure dunite	0.91	0.08	0.00	0.00	-1.0	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.0			1.0		no plag or pyroxene pseudomorphs observed
C5707A-100Z-3 W, 31.0--37.0 cm	235.115	pure dunite	0.90	0.08	0.00	0.00	-2.0	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.0			1.0		possible trace interstitial pesudomorphs
C5707A-102Z-1 W, 64.0--69.0 cm	239.890	pure dunite	0.91	0.08	0.00	0.00	-1.3	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	99.0			1.0		possible trace interstitial pesudomorphs	y	y
C5707A-103Z-3 W, 50.0--56.0 cm	244.545	pure dunite	0.89	0.08	0.00	0.01	-2.1	Dunite	99.7	0.1	0.1	0.0	0.1	Fractured and altered homogeneous dunite	100.0					pyroxene pesudomorphs
C5707A-110Z-1 W, 36.0--43.0 cm	253.010	impregnated dunite	0.68	0.28	0.00	0.00	-4.2	Orthopyroxene-bearing Dunite	93.0	1.0	0.0	5.0	1.0	Dunite with bands rich in orthopyroxene	94.0		5	1.0
C5707A-115Z-2 W, 27.0--34.0 cm	262.690	pure dunite	0.86	0.09	0.00	0.00	-4.0	Dunite	99.0	0.1	0.0	0.0	0.9	Homogeneous dunite	99.0			1.0		pyroxene pseudomorphs, shitty thin section
C5707A-125Z-2 W, 0.0--5.0 cm	279.555	pure dunite	0.88	0.09	0.00	0.00	-2.9	Dunite	99.9	0.0	0.0	0.0	0.1	Homogeneous dunite							y	y	y
C5707A-128Z-1 W, 50.0--58.0 cm	284.650	pure dunite	0.91	0.06	0.00	0.01	-1.2	Dunite	99.9	0.0	0.0	0.0	0.1	Homogeneous dunite
C5707A-132Z-2 W, 52.0--57.0 cm	290.110	pure dunite	0.88	0.08	0.00	0.01	-2.6	Dunite	99.9	0.0	0.0	0.0	0.1	Homogeneous dunite	99.0			1.0		trace plag or pyroxene pseudomorphs	y	y
C5707A-135Z-2 W, 60.0--68.0 cm	295.870	impregnated dunite	0.90	0.08	0.00	0.01	-1.0	Plagioclase-bearing Dunite	98.0	1.0	0.0	0.0	1.0	Plagioclase-bearing dunite containing a few gabbroic layers
C5707A-138Z-1 W, 47.0--52.0 cm	299.620	impregnated dunite	0.90	0.07	0.00	0.02	-1.1	Plagioclase-bearing Dunite	98.0	1.0	0.0	0.0	1.0	Plagioclase-bearing dunite containing a few gabbroic layers	99.0				1	trace plag? No pyroxene pseudomorphs	y	y
C5707A-140Z-2 W, 40.0--48.0 cm	303.510	impregnated dunite	0.92	0.06	0.01	0.01	0.5	Plagioclase-bearing Dunite	98.0	1.0	0.0	0.0	1.0	Plagioclase-bearing dunite containing a few gabbroic layers
C5707A-142Z-1 W, 84.0--88.0 cm	308.990	impregnated dunite	0.91	0.06	0.00	0.02	-1.0	Plagioclase-bearing Dunite	98.4	1.0	0.0	0.1	0.5	Dunite with impregnation of plagioclase	100.0					trace plag? Some fresh olivine	y	y	y
C5707A-143Z-1 W, 3.0--10.0 cm	311.180	harzburgite	0.71	0.28	0.00	0.01	-0.1	Harzburgite	84.5	0.0	0.0	15.0	0.5	Mantle harzburgite
C5707A-143Z-3 W, 50.0--58.0 cm	313.430	harzburgite	0.71	0.27	0.01	0.01	-0.9	Harzburgite	59.0	0.0	0.0	40.0	1.0	Mantle harzburgite
C5707A-145Z-2 W, 0.0--5.0 cm	318.100	harzburgite	0.73	0.25	0.01	0.01	-0.3	Harzburgite	59.0	0.0	0.0	40.0	1.0	Mantle harzburgite with troctolitic bands	76.0		22	2.0			y
C5707A-145Z-2 W, 0.0--5.0 cm	326.450	harzburgite	0.72	0.23	0.04	0.00	-0.7	Orthopyroxene-bearing Dunite	96.0	0.0	0.0	3.0	1.0	Mantle dunite	75.0		24	1.0
C5707A-149Z-1 W, 34.0--39.0 cm	329.490	impregnated dunite	0.75	0.21	0.05	0.00	0.7	Orthopyroxene-bearing Dunite	96.0	0.0	0.0	3.0	1.0	Mantle dunite	97.0		2	1.0			y	y	y
C5707A-149Z-4 W, 28.0--36.0 cm	331.845	pure dunite	0.78	0.18	0.04	0.00	0.7	Dunite	99.0	0.0	0.0	0.0	1.0	Mantle dunite
C5707A-152Z-4 W, 0.0--5.0 cm	340.580	harzburgite	0.77	0.19	0.06	0.01	2.4	Orthopyroxene-bearing Dunite	98.0	0.0	0.0	1.0	1.0	Mantle dunite with magmatic patches	75.0		23	2.0			y
C5707A-153Z-4 W, 35.0--44.0 cm	344.085	impregnated dunite	0.69	0.27	0.04	0.00	0.3	Orthopyroxene-bearing Dunite	98.0	0.0	0.0	1.0	1.0	Mantle dunite with magmatic patches
C5707A-155Z-4 W, 0.0--5.0 cm	349.525	harzburgite	0.83	0.16	0.01	0.01	1.3	Orthopyroxene-bearing Dunite	97.0	0.0	0.0	2.0	1.0	Orthopyroxene bearing dunite with leucocratic patches	85.0		14	1.0			y	y	y
C5707A-157Z-4 W, 51.0--60.0 cm	355.910	impregnated dunite	0.87	0.13	0.00	0.02	1.7	Orthopyroxene-bearing Dunite	97.0	0.0	0.0	2.0	1.0	Orthopyroxene bearing dunite with leucocratic patches
C5707A-160Z-1 W, 75.0--80.0 cm	359.900	impregnated dunite	0.89	0.09	0.01	0.00	-0.6	Orthopyroxene-bearing Dunite	97.0	0.0	0.0	2.0	1.0	Orthopyroxene bearing dunite with leucocratic patches	100.0						y
C5707A-163Z-2 W, 1.0--8.0 cm	365.970	hazburgite	0.70	0.29	0.00	0.00	-0.2	Harzburgite	69.0	0.0	0.0	30.0	1.0	Mantle harzburgite
C5707A-164Z-2 W, 33.0--38.0 cm	369.415	hazburgite	0.74	0.25	0.00	0.01	0.6	Orthopyroxene-bearing Dunite	94.0	0.0	0.0	4.0	2.0	Orthopyroxene bearing mantle dunite	76.0		22	2.0
C5707A-166Z-1 W, 69.0--77.0 cm	371.840	hazburgite	0.72	0.26	0.02	0.00	0.4	Harzburgite	69.0	0.0	0.0	30.0	1.0	Mantle harzburgite with orthopyroxene poor patches
C5707A-169Z-2 W, 0.0--5.0 cm	380.525	hazburgite	0.78	0.20	0.02	0.01	0.6	Dunite	99.0	0.0	0.0	0.0	1.0	Mantle dunite	70.0		27	3.0			y
C5707A-171Z-1 W, 62.0--68.0 cm	383.770	hazburgite	0.72	0.27	0.00	0.00	-0.9	Dunite	99.0	0.0	0.0	0.0	1.0	Mantle dunite with leucocratic patches	89.5		10	0.5
C5707A-173Z-3 W, 58.0--66.0 cm	388.300	carbonate-bearing hazburgite	0.72	0.23	0.05	0.01	0.1	Harzburgite	80.0	0.0	0.0	19.0	1.0	Mantle harzburgite with abundant carbonate veins and fractures
C5707A-175Z-4 W, 1.0--8.0 cm	394.720	carbonate-bearing hazburgite	0.71	0.23	0.04	0.00	-1.0	Harzburgite	80.0	0.0	0.0	19.0	1.0	Mantle harzburgite with abundant carbonate veins and fractures
C5707A-178Z-1 W, 85.0--90.0 cm	399.000	hazburgite	0.73	0.27	0.00	0.00	0.0	Harzburgite	80.0	0.0	0.0	19.0	1.0	Mantle harzburgite with abundant carbonate veins and fractures	90.0		10
C5707A-179Z-1 W, 1.0--8.0 cm	401.160	carbonate-bearing hazburgite	0.71	0.25	0.03	0.01	-0.5	Harzburgite	80.0	0.0	0.0	19.0	1.0	Mantle harzburgite with abundant carbonate veins and fractures
C5707A-179Z-4 W, 22.0--27.0 cm	404.055	carbonate-bearing hazburgite	0.63	0.36	0.00	0.00	-0.2	Harzburgite	80.0	0.0	0.0	19.0	1.0	Mantle harzburgite with abundant carbonate veins and fractures