Reserves-Grades

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Main drilled prospects of the Arabian Shield with indicated reserves.

Gold Silver Copper Zinc Others

Gold Prospects	Mods	District	Type	Subst.	Resource or Reserves (t)	grade	Metal (kg)	References
Mahd adh Dhahab	3	Jiddah	E	Au	953 000	25	23825	SAMS estimate
Mahd adh Dhahab	3	Jiddah	E	Au	2 050 000	24	49200	Goldfields-Ma'aden (88-99)
Mahd adh Dhahab	3	Jiddah	E	Au	800 000	25	20000	future prod.IUGS Worksh. 1999
Al Amar	8	Al Amar	E	Au	3 500 000	10.5	36750	Ma'aden
Bulgah	604.1	Western Afif	SZ/I	Au	33 000 000	1.1	36300	Ma'aden
Sukhaybarat	405-406	Afif	SZ/I	Au	8 500 000	2.5	21250	BRGM 1998
Zalim	1020	Afif	SZ	Au	7 800 000	2.63	20514	BRGM 98
Ad Duwayah	1182	Western Afif	SZ	Au	5 000 000	2.2	11000	USGS
Jabal Shayban	411	Samran	VMS	Au	3 400 000	3	10200
Al Masane	673	Asir	VMS	Au	7 500 000	1.2	9000	Fernette and Tawil (1984)
Mahd adh Dhahab	3	Jiddah	E	Au	525 000	14	7350	Indicated reserves
Al Hajar (S)	649	Asir	VMS(R)	Au	2 700 000	2.6	7020
Simfan Umm Shieh	2100	Miskah	SZ	Au	1 500 000	4.3	6450
Al Gariat Avala		Tathlith	SZ	Au	872 000	6.5	5668	Bache 1994
Al Hajar (N)	649	Asir	VMS(R)	Au	1 540 000	3.45	5313
Nuqrah S	13	Western Afif	VMS	Au	610 000	8.7	5307	Petromin/Granges (1980)
Ash Shakhtalyah	4149	Western Afif	SZ	Au	740 000	5.2	3848	Roubichou (1991)
Rabathan	463	Asir (Ablah)	VMS	Au	2 100 000	1.5	3150
Jabal Sayid	1	Jiddah	VMS	Au	2 000 000	1.5	3000	BRGM (1986) Geol.Res.
Umm ash Shalahib	(E1-E2)9	Al Amar	E	Au	900 000	3	2700	WGM-CR-11-11 p.87, not conf;
Ar Rjum Zn	3875	Jiddah	VMS	Au	1 800 000	1.50	2700	Salpeteur (1998)
Hamdah	619	Tathlith	R	Au	911 500	2.89	2634	USGS 1996
Umm Ad Damar (ox)	17	Jiddah	VMS	Au	160 000	15	2400	Japanese mission M.M.A.J. (1999)
Ar Rjum Au	1179	Jiddah	SZ	Au	700 000	3.2	2240	Martel Jantin (1985)
Umm Matierah	1172	Southern Afif	SZ	Au	300 000	7.3	2190	USGS 1996
Bir Tawilah (Au)	1925	Western Afif	SZ/P?	Au	300 000	6.3	1890	Couturier (1986)
Shaib at Tare	464	Asir (Bidah)	VMS(R)	Au	299 000	6.23	1863
Hamdah	619	Tathlith	SZ	Au	303 000	5.7	1727
Jadmah (ox)	639	Asir	VMS(R)	Au	260 000	5.6	1456
Ghadarah (Au)	3278	Western Afif	SZ/I?	Au	500 000	2.4	1200	Billa M.(1986)
Jabal Baydan	3514	Samran	VMS	Au	600 000	2	1200	Bellivier (1987)
Gehab	467	Asir (Bidah)	VMS(R)	Au	293 000	4	1172	BRGM OF-09-8
Umm Ash Shalahib	(A1)9	Al Amar	E	Au	110 000	10.6	1166	id.
Bir Jabuah	1454	Nabitah	SZ	Au	136 000	8.5	1156
Bit Tawilah (East)	1925		SZ	Au	58 000	19.2	1113.6
Umm Hijlan	1155	Bidah	VMS(R)	Au	137 000	7.7	1054.9	Beziat et al. 1989
Umm Mathierah	1172	Southern Afif	R	Au	127 000	8.3	1054	USGS 97
Umm Ad Damar	17-18	Jiddah	VMS	Au	134 000	7.7	1031.8
Shignah	1605	Jiddah	SZ	Au	260 000	3.9	1014	BRGM
Mamilah	40-42	Asir (Bidah)	VMS(R)	Au	237 000	4.1	972
Mulgatah	467	Wadi Bidah	SZ	Au	140 000	5.4	756
Azzeraib	2690	Western Afif	SZ	Au	140 000	5.4	756	Couturier(1985)
Farah Garan	112	Asir	VMS(R)	Au	225 000	2.8	630
Wadi Shabah	4234	Afif	SZ	Au	260 000	2.4	624	USGS
Al Farah	1391	Bishah	SZ	Au	140 000	4	560
Nuqrah N	14	Western Afif	VMS	Au	300 000	1.8	540	Delfour (1968)
Umm Al Qurayyat	1289	Al Wajh	SZ	Au	155 634	3.1	482	DMMR (1995)
Mulhal (ox)	466	Asir	VMS(R)	Au	100 000	4.5	450
An Najadi	1272	Eastern Afif	SZ	Au	255 000	1.76	448.8
Ad Duwayah placer	1182	Western Afif	R	Au	400 000	0.7	280

Silver Prospects	Mods	District	Type	Subst.	Resource or Reserves (t)	grade (g/t)	Metal (kg)	References
Al Masane	673	Asir	VMS	Ag	7 500 000	45.6	342000
Nuqrah S	13	Western Afif	VMS	Ag	610 000	347	211670	Petromin/Granges 1978
Samrah	745	Ad Dawadimi	E	Ag	278 000	651	180978	Holzem 1976
Mahd adh Dhahab		Jiddah	E	Ag	2 050 000	86.8	177940	Future production
Umm Hadid	11	Al Amar	E	Ag	500 000	343	171500
Umm Ash Shalahib (E1-E2)	9	Al Amar	E	Ag	900 000	72	64800
Umm Ad Dabah	71	al Amar	VMS	Ag	270 000	200	54000
Nuqrah N	14	Western Afif	VMS	Ag	300 000	173	51900
Kutam	1128	Asir	VMS	Ag	8 100 000	6.1	49410
Al Halahila	2025	Asir	VMS	Ag	2 100 000	20	42000
Jadmah (sulf)	639	Asir	VMS	Ag	2 000 000	20	40000
Marjan	2093	Al Amar	E?	Ag	288 000	126	36288
Mahd adh Dhahab		Jiddah	E	Ag	610 000	54.6	33306	Goldfields -Ma'aden production
Mahd adh Dhahab		Jiddah	E	Ag	953 000	33	31449	SAMS production estimate
Ar Ridanyah	2070	Ad Dawadimi	VMS	Ag	1 500 000	20	30000
Farah Garan	112	Asir	VMS(R)	Ag	225 000	33	7425
Bir Tawilah (W)	960	Western Afif	I/P?	Ag	265 000	26	6890
Umm Ash Shalahib (A1)		AlAmar	E	Ag	110 000	55	6050

Copper Prospects	Mods	District	Type	Subst.	Resource or Reserves (t)	grade (%/100)	Metal (t)	References
Jabal Sayid	1	Jiddah	VMS	Cu	24 300 000	0.026	607500	BRGM (1986)
As Safra	2	Western Afif	SZ/E?	Cu	18 000 000	0.01	180000
Kutam	1128	Asir	VMS	Cu	8 100 000	0.02	145800
Umm Ad Damar	18	Jiddah	VMS	Cu	1 000 000	0.02	20000
Khnaiguiyah	72	Al Amar	VMS	Cu	24 800 000	0.01	138880
Al Masane	673	Asir	VMS	Cu	7 500 000	0.01	97500	Fernette and Tawil (1984)
Kutam	1128	Asir	VMS®	Cu	4 000 000	0.02	80000
Al Halahila	2026	Asir	VMS	Cu	2 100 000	0.00	7140
Rabathan	463	Asir (Ablah)	VMS	Cu	2 100 000	0.03	52500
Ar Ridanyah	2070	Ad Dawadimi	VMS	Cu	1 400 000	0.02	23800	Elsass (1983)
Jadmah (sulf)	639	Asir	VMS	Cu	696 000	0.03	17400	Poloni, Cheesman (1980)
Ash Shizm	541	Midyan	VMS	Cu	1 600 000	0.03	46400	BRGM 1967
Khnaiguiyah	72	Al Amar	VMS	Cu	12 000 000	0.00	40800	BRGM OF-05-17)
Shaib Lamisah	4001	Afif	VMS	Cu	1 400 000	0.02	26600	BRGM 1982
Al Hajar (S)	649	Asir	VMS	Cu	300 000	0.07	20460	BRGM 1988
Samran	410	Jiddah	VMS	Cu	900 000	0.02	18000
Khnaiguiyah	72	Al Amar	VMS	Cu	1 850 000	0.01	16465
Gehab	467	Asir (Bidah)	VMS®	Cu	1 000 000	0.01	13000
Nuqrah S	13	Western Afif	VMS	Cu	610 000	0.01	6710	Petromin/Granges (1980)
Ash Shaib	625	Asir	VMS	Cu	1 700 000	0.00	5100
Nuqrah N	14	Western Afif	VMS	Cu	300 000	0.01	2700
Umm Ad Dabah	71	Al Amar		Cu	270 000	0.03	6750
Shaib at Tare	464	Asir	VMS	Cu	1 000 000	0.00	4000
Farah Garan	112	Asir	VMS®	Cu	225 000	0.01	2025

Zinc Prospects	Mods	District	Type	Subst.	Resource or Reserves (t)	grade (%/100)	Metal(T)	References
Khnaiguiyah	72	Al Amar	VMS	Zn	24 800 000	0.04	1019280	BRGM (1994)
Jabal Baydan	3514	Samran	VMS	Zn	600 000	0.20	120000	BRGM (1996)
Al Masane	673	Asir	VMS	Zn	7 500 000	0.06	427500	Fernette and Tawil (1984)
Jabal Sayid (orebody 4)	1	Jiddah	VMS	Zn	5 000 000	0.04	200000
Ash Shaib	625	Asir	VMS	Zn	1 700 000	0.06	102000
Ar Rjum Zn	3875	Jiddah	VMS	Zn	1 800 000	0.05	90000	Salpeteur (infer.) 1998
Al Amar (Au rich)	8	Al Amar	E	Zn	1 000 000	0.08	78000	Ma'aden (1998)
Kutam	1128	Asir	VMS	Zn	8 100 000	0.01	72900
Ar Ridanyah	2070	Ad Dawadimi	VMS	Zn	1 500 000	0.05	69750	Elsass (1981)
Jabal Dhaylan	332	Red Sea	SD	Zn	1 200 000	0.06	67200	Carlson (1996)
Nuqrah S	13	Western Afif	VMS	Zn	800 000	0.07	59200	Holzem (1976)
Al Amar	8	Al Amar	E	Zn	2 100 000	0.03	58800	Ma'aden (1998)
Al Halahila	2026	Asir	VMS	Zn	2 100 000	0.03	56700
Al Hajar (S)	649	Asir	VMS	Zn	1 850 000	0.02	39405
Jadmah (sulf)	639	Asir	VMS	Zn	2 000 000	0.02	34000
Shaib Lamisah	4001	Afif	VMS	Zn	1 400 000	0.02	26600
Umm Ad Damar	18	Jidaah	VMS	Zn	1 000 000	0.03	25000
Nuqrah N	14	Western Afif	VMS	Zn	300 000	0.06	19200
Samrah	745	Ad Dawadimi	E	Zn	278 000	0.05	14178	Holzem 1976
Ash Shizm	541	Midyan	VMS	Zn	1 600 000	0.01	11840
Rabathan	463	Asir (Ablah)	VMS	Zn	2 100 000	0.01	10500
Farah Garan	1127	Asir	VMS	Zn	225 000	0.03	5625
Umm Ash Shalahib	9	Al Amar	E	Zn	110 000	0.05	5500
Umm Ash Shalahib	(D1)9	Al Amar	E	Zn	60 000	0.04	2400
Jabal Shayban	411	Samran	VMS	Zn	300 000	0.02	4500

Other Prospects	Mods	District	Type	Subst.	Resource or Reserves	grade	Metal (t)	References
Wadi Wassat	617	Asir	VMS	FeS2	108 000
Jabal Mardah	450	Nabitah N	VMS	Ni	1 800 000	0.01	14400	WGM CR 11-13,p.87
Habdah	2173	Asir	SBS	Ni	1 800 000	0.01	24300
Samrah	745	Ad Dawadimi	E	Pb	278 000	0.02	4559	Hankock et al. (1975)
Nuqrah S	13	Western Afif	VMS	Pb	800 000	0.03	24000	Holzem 1976
Nuqrah N	14	Western Afif	VMS	Pb	300 000	0.02	6000
Jabal Dhaylan	332	Red Sea	SD	Pb	1 200 000	0.01	16800	Carlson (1996)
Silsilah	3262	Afif	I	Sn	1 200 000	0.00	2244	to be updated (USGS 1999)
Bir Tawilah (W)	2688	Western Afif	I/P?	Sn	265 000	0.00	345	Riofinex 1985
Baid ad Jimalah	2661	Eastern Afif	I	W	10 000 000	0.00	11700	Riofinex 1985
Bir Tawilah (W)	2688	Western Afif	I/P?	W	265 000	0.01	1855	Labbé (1985)
Ghurrayah	765	Midyan	I	Nb	400 000 000	0.000025	10000	Elliott (1997)
Ghurrayah	765	Midyan	I	Zr	400 000 000	0.000082	32800
Al Aqiq	1382	Asir	SZ/E?