Jean Jacques Dozy

Jean Jacques Dozy (18 June 1908, in Rotterdam – 1 November 2004, in The Hague) was a Dutch geologist.wikipedia
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Carstensz expedition

peak's first ascent
In 1936, he participated in the Dutch Carstensz Expedition in Dutch New Guinea to explore and climb Mount Carstensz, the highest mountain of the island of New Guinea.
The Carstensz expedition was made in 1936 by Anton Colijn, Jean Jacques Dozy and Frits Wissel.

Puncak Jaya

Carstensz PyramidPuntjak Sukarno (Sukarno Peak)Carstensz
In 1936, he participated in the Dutch Carstensz Expedition in Dutch New Guinea to explore and climb Mount Carstensz, the highest mountain of the island of New Guinea.
Anton Colijn, Jean Jacques Dozy and Frits Wissel reached both the glacier covered East Carstensz and Ngga Pulu summits on December 5, but through bad weather failed in their attempts to climb the bare Carstensz Pyramid.

Grasberg mine

GrasbergGrasberg copper-gold mineFreeport mine
Years later this gave rise to the Grasberg copper mine.
In 1936, Dutch geologist Jean Jacques Dozy was a member of an expedition that scaled Mount Carstensz, the highest mountain in the Dutch East Indies.

Ngga Pulu

highest point at the time
Besides succeeding in climbing the highest point at the time with Anton Colijn and Frits Wissel, Dozy discovered the presence of abundant copper ore in a mountain he called Ertsberg (English, "Ore mountain").
Anton Colijn, Jean Jacques Dozy and Frits Wissel reached the summit on 5 December 1936 during the Carstensz Expedition over the Northwall Firn.

Rotterdam

Rotterdam, NetherlandsRotterdam, The NetherlandsHavenbedrijf Rotterdam
Jean Jacques Dozy (18 June 1908, in Rotterdam – 1 November 2004, in The Hague) was a Dutch geologist.

The Hague

Den HaagHagueThe Hague, Netherlands
Jean Jacques Dozy (18 June 1908, in Rotterdam – 1 November 2004, in The Hague) was a Dutch geologist.

Netherlands

Dutch🇳🇱the Netherlands
Jean Jacques Dozy (18 June 1908, in Rotterdam – 1 November 2004, in The Hague) was a Dutch geologist.

Geologist

geologistsgeoscientistexpert in geology
Jean Jacques Dozy (18 June 1908, in Rotterdam – 1 November 2004, in The Hague) was a Dutch geologist.

New Guinea

PapuaPapua New GuineanNew Guinea island
In 1936, he participated in the Dutch Carstensz Expedition in Dutch New Guinea to explore and climb Mount Carstensz, the highest mountain of the island of New Guinea.

Anton Colijn

Besides succeeding in climbing the highest point at the time with Anton Colijn and Frits Wissel, Dozy discovered the presence of abundant copper ore in a mountain he called Ertsberg (English, "Ore mountain").

World War II

Second World WarwarWWII
In 1939, he published an article about his find, but it was neglected due to World War II.

Sumantri

Mount Sumantri
The neighboring and, at the time, higher SE summit of Ngga Pulu was first climbed by a Dutch expedition in 1936 (Anton Colijn, Jean Jacques Dozy and Frits Wissel).

Dozy

Jean Jacques Dozy (1908–2004), Dutch geologist who discovered the Ertsberg in New Guinea