Naar aanleiding van de belangrijke vraag naar zwavel voor ontrattingsdoeleinden, welke destijds van den Dienst der Pest-bestrijding uitging, werd in April 1914 aan den mijningenieur Dr. Ir. J. K. VAN GELDER opgedragen, een voorloopig onder-zoek in te stellen naar den zwavelrijkdom van den krater van den Welirang (res. Pasoeroean), welke opdracht enkele weken later werd gevolgd door eene soortge…
In accordance with Lorie and Prof. Behrens we have determined all collected samples as real basalts. The microscopic praeparates only show difference in relative number and size of the separated crystalls between them, and with respect to the groundmass, also in his capacity of the groundmass itself. As conson with basalt, the olivine exclusively appears as porphyric separation and not in the g…
In February of the former year (1898) a very remarkable outburst on the slope of the volcano Lamongan (in the residence Probolinggo on Jawa) had taken place, which by several persons, among others by the Controler of Klakah, A. Ardesch, and the Assisntant-Resident of Lumajang, C.Lok, was observed.
When we venture a calculation of the amount of the ejected ash and punice, then it goes without saying, that we can only estimate. The statements concerning the amount of the fallen-down ash, are mostly inaccurate and incomplete. Moreover, when we are willing to fix the correct amount of ash, we ought to know the specific gravity and to take into account the thickness of the locally fallen ash …
Shortly after the outburst of May 19 to 20, 1919 tales go the round, that a view person, Europeans as well as natives have forecasted or knew, a coming activity of the Kelut. These people even are able to have observed the precursory symptoms.
The married couple Ariens was staying at Mr. Smits. Mrs. Ariens was as if as child at home with the family Smits. His wife and children were some times ago departing to Bandung.
According to the traditions the mountains spirit, who is housing in the reality of bleta, is peculiarly malicious and he possesses several mischiefs.
The outbursts are always accompannied by gaseruptions, which escape with thrumbling noise and the foraing of flash of lightnings. From the stories of Junghuhn (see p.95-96) appears, that during earlier outbursts the thunder claps were observed till great distances from the crater (Kalimantan) (Fron Banjarmasin this time also detonations were reported from the Kelut outburst). Also during there …
Lyewitnesses. Among all stories, that of Keuls, Administrater, coffee land Candisewu seems to the most likely. His residence in situating near along the eoge of the lahar Badak on half the elevation of the mountain (see plate n. 1 and 2), he could in time flee to a safe small spot and was therefore in the position to observe closely the whole event.
In the Old Javanese poon Niagarakretagana', a panegyric or landatory poon on H.IM. Radjasanagara (Hayan Voeroek) of Majapahit, the post laureate Prapanjtjia in song I strophe 6 sang of a volcanic outburst, which had taken place in 1334 AD before the birth of this fanous emperor fron Majapahit's prosperity, which outburst according the poet was the proof that the little prince, which is to be bo…